316256056542017 has 2 divisors, whose sum is σ = 316256056542018. Its totient is φ = 316256056542016.

The previous prime is 316256056542011. The next prime is 316256056542053. The reversal of 316256056542017 is 710245650652613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307233728711056 + 9022327830961 = 17528084^2 + 3003719^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316256056542017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 316256056542017.

It is not a weakly prime, because it can be changed into another prime (316256056542011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158128028271008 + 158128028271009.

It is an arithmetic number, because the mean of its divisors is an integer number (158128028271009).

Almost surely, 2^{316256056542017} is an apocalyptic number.

It is an amenable number.

316256056542017 is a deficient number, since it is larger than the sum of its proper divisors (1).

316256056542017 is an equidigital number, since it uses as much as digits as its factorization.

316256056542017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072000, while the sum is 53.

The spelling of 316256056542017 in words is "three hundred sixteen trillion, two hundred fifty-six billion, fifty-six million, five hundred forty-two thousand, seventeen".