316323163663361 has 2 divisors, whose sum is σ = 316323163663362. Its totient is φ = 316323163663360.

The previous prime is 316323163663291. The next prime is 316323163663393. The reversal of 316323163663361 is 163366361323613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168263548062736 + 148059615600625 = 12971644^2 + 12167975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316323163663361 is a prime.

It is not a weakly prime, because it can be changed into another prime (316323163663561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158161581831680 + 158161581831681.

It is an arithmetic number, because the mean of its divisors is an integer number (158161581831681).

Almost surely, 2^{316323163663361} is an apocalyptic number.

It is an amenable number.

316323163663361 is a deficient number, since it is larger than the sum of its proper divisors (1).

316323163663361 is an equidigital number, since it uses as much as digits as its factorization.

316323163663361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11337408, while the sum is 53.

The spelling of 316323163663361 in words is "three hundred sixteen trillion, three hundred twenty-three billion, one hundred sixty-three million, six hundred sixty-three thousand, three hundred sixty-one".