U+DF31

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U+DF31 is not a valid unicode character.
���
U+DF31 browser display

U+DF31

image of U+DF31
Raster image of U+DF31

U+DF31

Encodings
HTML Entity (decimal) �
HTML Entity (hex) �
How to type in Microsoft Windows Alt +DF31
UTF-8 (hex) 0x3F (3f)
UTF-8 (binary) 00111111
UTF-16 (hex) 0xFFFD (fffd)
UTF-16 (decimal) 65,533
UTF-32 (hex) 0x0000DF31 (df31)
UTF-32 (decimal) 57,137
C/C++/Java source code "\uFFFD"
Python source code u"\uFFFD"
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Java Data
string.toUpperCase()
string.toLowerCase()
Character.UnicodeBlock LOW_SURROGATES
Character.charCount() 1
Character.getDirectionality() DIRECTIONALITY_LEFT_TO_RIGHT [0]
Character.getNumericValue() -1
Character.getType() 19
Character.isDefined() Yes
Character.isDigit() No
Character.isIdentifierIgnorable() No
Character.isISOControl() No
Character.isJavaIdentifierPart() No
Character.isJavaIdentifierStart() No
Character.isLetter() No
Character.isLetterOrDigit() No
Character.isLowerCase() No
Character.isMirrored() No
Character.isSpaceChar() No
Character.isSupplementaryCodePoint() No
Character.isTitleCase() No
Character.isUnicodeIdentifierPart() No
Character.isUnicodeIdentifierStart() No
Character.isUpperCase() No
Character.isValidCodePoint() Yes
Character.isWhitespace() No