Code point
U+3310
Glyph appearance depends on your fonts.
U+3310
So<square> 30AE 30ACU+3310 SQUARE GIGA 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+3310
13072
㌐
㌐
E3 8C 90
3310
00003310
%E3%8C%90
\u3310
\u3310
\u3310
\3310