This number is a prime.
1567204831 is the smallest prime ≡ 3 (mod 4) that equals the sum of the fourth powers of the first n primes (here, n = 32). [Ahmed]
1567204831 is the smallest prime ≡ 3 (mod 4) that equals the sum of
the fourth powers of the first n primes (here, n = 32). [Ahmed]