131
This number is a prime.
Single Curio View:    (Seek other curios for this number)
The smallest prime that remains prime when the end digits
(on both sides) are repeated once (i.e., 11311 is also prime). 
 Submitted: 2009-06-11 01:05:53;   Last Modified: 2009-06-11 11:03:08.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean