Code point
U+31FD
Glyph appearance depends on your fonts.
U+31FD
LoU+31FD KATAKANA LETTER SMALL RU is a Unicode 16.0.0 character in the Other Letter category. It belongs to the Katakana Phonetic Extensions block.
Choose the representation you need, then copy its value.
U+31FD
12797
ㇽ
ㇽ
E3 87 BD
31FD
000031FD
%E3%87%BD
\u31FD
\u31FD
\u31FD
\31FD