This number is a prime.

+ Sum of the last three 3-digit primes is prime, i.e., 997 + 991 + 983 = 2971. [Bopardikar]

+ Metin Sariyar of Turkey found a 2971-digit palindromic prime formed from decimal expansion of π written backwards then forwards.

+ (2971, 7129) is the 2nd of only two pairs of primes whose both terms can be split into the same pair of complementary primes, (29, 71). The 1st such pair is (1783, 8317). [Loungrides]

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