315165745231013 has 2 divisors, whose sum is σ = 315165745231014. Its totient is φ = 315165745231012.

The previous prime is 315165745230899. The next prime is 315165745231021. The reversal of 315165745231013 is 310132547561513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211546029122884 + 103619716108129 = 14544622^2 + 10179377^2 .

It is a cyclic number.

It is not a de Polignac number, because 315165745231013 - 2³² = 315161450263717 is a prime.

It is a super-3 number, since 3×315165745231013³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315165745231063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157582872615506 + 157582872615507.

It is an arithmetic number, because the mean of its divisors is an integer number (157582872615507).

Almost surely, 2^{315165745231013} is an apocalyptic number.

It is an amenable number.

315165745231013 is a deficient number, since it is larger than the sum of its proper divisors (1).

315165745231013 is an equidigital number, since it uses as much as digits as its factorization.

315165745231013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134000, while the sum is 47.

The spelling of 315165745231013 in words is "three hundred fifteen trillion, one hundred sixty-five billion, seven hundred forty-five million, two hundred thirty-one thousand, thirteen".