316108357657 has 2 divisors, whose sum is σ = 316108357658. Its totient is φ = 316108357656.

The previous prime is 316108357633. The next prime is 316108357673. The reversal of 316108357657 is 756753801613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 289455836121 + 26652521536 = 538011^2 + 163256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316108357657 is a prime.

It is not a weakly prime, because it can be changed into another prime (316108357627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158054178828 + 158054178829.

It is an arithmetic number, because the mean of its divisors is an integer number (158054178829).

Almost surely, 2^316108357657 is an apocalyptic number.

It is an amenable number.

316108357657 is a deficient number, since it is larger than the sum of its proper divisors (1).

316108357657 is an equidigital number, since it uses as much as digits as its factorization.

316108357657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 316108357657 in words is "three hundred sixteen billion, one hundred eight million, three hundred fifty-seven thousand, six hundred fifty-seven".