31 እ.ኤ.አ.
{{European year A.D. disambiguation head|0031|'''31 እ.ኤ.አ.'''}}

{{European year A.D. disambiguation text
|1|[[January]]|31|27|[[August]]|31|23|=
|28|[[August]]|31|31|[[December]]|31|24}}

[[als:30er#31]]
als:30er#31