316316321357 has 2 divisors, whose sum is σ = 316316321358. Its totient is φ = 316316321356.

The previous prime is 316316321297. The next prime is 316316321369. The reversal of 316316321357 is 753123613613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220046366281 + 96269955076 = 469091^2 + 310274^2 .

It is a cyclic number.

It is not a de Polignac number, because 316316321357 - 2³² = 312021354061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316316320357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158158160678 + 158158160679.

It is an arithmetic number, because the mean of its divisors is an integer number (158158160679).

Almost surely, 2^316316321357 is an apocalyptic number.

It is an amenable number.

316316321357 is a deficient number, since it is larger than the sum of its proper divisors (1).

316316321357 is an equidigital number, since it uses as much as digits as its factorization.

316316321357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 41.

The spelling of 316316321357 in words is "three hundred sixteen billion, three hundred sixteen million, three hundred twenty-one thousand, three hundred fifty-seven".