A088290 Prime numbers in which the sum of the external digits = the sum of the internal digits.

1021, 1087, 1201, 1223, 1289, 1447, 1559, 1627, 2053, 2143, 2389, 2503, 2659, 2749, 3041, 3221, 3467, 3557, 3917, 4051, 4073, 4231, 4253, 4297, 4523, 4567, 4657, 4679, 4703, 5443, 5623, 5689, 5779, 5869, 6521, 6701, 6857, 6947, 7193, 7283, 7351, 7621