316130726591 has 2 divisors, whose sum is σ = 316130726592. Its totient is φ = 316130726590.

The previous prime is 316130726557. The next prime is 316130726677. The reversal of 316130726591 is 195627031613.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316130726591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316130722591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158065363295 + 158065363296.

It is an arithmetic number, because the mean of its divisors is an integer number (158065363296).

Almost surely, 2^316130726591 is an apocalyptic number.

316130726591 is a deficient number, since it is larger than the sum of its proper divisors (1).

316130726591 is an equidigital number, since it uses as much as digits as its factorization.

316130726591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 316130726591 in words is "three hundred sixteen billion, one hundred thirty million, seven hundred twenty-six thousand, five hundred ninety-one".