# 1031223317

This number is a prime.

The only 10-digit autobiographical prime. Note that it is also the only from the 21 10-digit autobiographical numbers that is concatenated from an emirp and two 3-digit primes, i.e., 1031, 223, 317. [Loungrides]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell