316023231257 has 2 divisors, whose sum is σ = 316023231258. Its totient is φ = 316023231256.

The previous prime is 316023231221. The next prime is 316023231269. The reversal of 316023231257 is 752132320613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312767273536 + 3255957721 = 559256^2 + 57061^2 .

It is a cyclic number.

It is not a de Polignac number, because 316023231257 - 2²² = 316019036953 is a prime.

It is not a weakly prime, because it can be changed into another prime (316023131257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158011615628 + 158011615629.

It is an arithmetic number, because the mean of its divisors is an integer number (158011615629).

Almost surely, 2^316023231257 is an apocalyptic number.

It is an amenable number.

316023231257 is a deficient number, since it is larger than the sum of its proper divisors (1).

316023231257 is an equidigital number, since it uses as much as digits as its factorization.

316023231257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 35.

The spelling of 316023231257 in words is "three hundred sixteen billion, twenty-three million, two hundred thirty-one thousand, two hundred fifty-seven".