The decimal expansion of the number is a tetradic palindrome.

PRP-3 per PFGW.

Primality testing ([the number]) [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N-1 test using base 11
Running N+1 test using discriminant 17, base 10+sqrt(17)
Calling N-1 BLS with factored part 0.11% and helper 0.00% (0.33% proof)
([the number]) is Fermat and Lucas PRP! (112.5403s+0.0020s)

To be completed...