Code point
U+3313
Glyph appearance depends on your fonts.
U+3313
So<square> 30AE 30EB 30C0 30FCU+3313 SQUARE GIRUDAA is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the CJK Compatibility block.
Choose the representation you need, then copy its value.
U+3313
13075
㌓
㌓
E3 8C 93
3313
00003313
%E3%8C%93
\u3313
\u3313
\u3313
\3313