316351165241257 has 2 divisors, whose sum is σ = 316351165241258. Its totient is φ = 316351165241256.

The previous prime is 316351165241207. The next prime is 316351165241261. The reversal of 316351165241257 is 752142561153613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285580391967376 + 30770773273881 = 16899124^2 + 5547141^2 .

It is a cyclic number.

It is not a de Polignac number, because 316351165241257 - 2⁷ = 316351165241129 is a prime.

It is not a weakly prime, because it can be changed into another prime (316351165241207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158175582620628 + 158175582620629.

It is an arithmetic number, because the mean of its divisors is an integer number (158175582620629).

Almost surely, 2^{316351165241257} is an apocalyptic number.

It is an amenable number.

316351165241257 is a deficient number, since it is larger than the sum of its proper divisors (1).

316351165241257 is an equidigital number, since it uses as much as digits as its factorization.

316351165241257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536000, while the sum is 52.

The spelling of 316351165241257 in words is "three hundred sixteen trillion, three hundred fifty-one billion, one hundred sixty-five million, two hundred forty-one thousand, two hundred fifty-seven".