315628674166331 has 2 divisors, whose sum is σ = 315628674166332. Its totient is φ = 315628674166330.

The previous prime is 315628674166327. The next prime is 315628674166339. The reversal of 315628674166331 is 133661476826513.

It is a weak prime.

It is an emirp because it is prime and its reverse (133661476826513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315628674166331 - 2² = 315628674166327 is a prime.

It is a super-2 number, since 2×315628674166331² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (315628674166339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157814337083165 + 157814337083166.

It is an arithmetic number, because the mean of its divisors is an integer number (157814337083166).

Almost surely, 2^{315628674166331} is an apocalyptic number.

315628674166331 is a deficient number, since it is larger than the sum of its proper divisors (1).

315628674166331 is an equidigital number, since it uses as much as digits as its factorization.

315628674166331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78382080, while the sum is 62.

The spelling of 315628674166331 in words is "three hundred fifteen trillion, six hundred twenty-eight billion, six hundred seventy-four million, one hundred sixty-six thousand, three hundred thirty-one".