315024231157 has 2 divisors, whose sum is σ = 315024231158. Its totient is φ = 315024231156.

The previous prime is 315024231017. The next prime is 315024231211. The reversal of 315024231157 is 751132420513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 314916258276 + 107972881 = 561174^2 + 10391^2 .

It is a cyclic number.

It is not a de Polignac number, because 315024231157 - 2²³ = 315015842549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315024331157) 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, 157512115578 + 157512115579.

It is an arithmetic number, because the mean of its divisors is an integer number (157512115579).

Almost surely, 2^315024231157 is an apocalyptic number.

It is an amenable number.

315024231157 is a deficient number, since it is larger than the sum of its proper divisors (1).

315024231157 is an equidigital number, since it uses as much as digits as its factorization.

315024231157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 315024231157 in words is "three hundred fifteen billion, twenty-four million, two hundred thirty-one thousand, one hundred fifty-seven".