315557475371 has 2 divisors, whose sum is σ = 315557475372. Its totient is φ = 315557475370.

The previous prime is 315557475341. The next prime is 315557475419. The reversal of 315557475371 is 173574755513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315557475371 - 2³⁸ = 40679568427 is a prime.

It is not a weakly prime, because it can be changed into another prime (315557475341) 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, 157778737685 + 157778737686.

It is an arithmetic number, because the mean of its divisors is an integer number (157778737686).

Almost surely, 2^315557475371 is an apocalyptic number.

315557475371 is a deficient number, since it is larger than the sum of its proper divisors (1).

315557475371 is an equidigital number, since it uses as much as digits as its factorization.

315557475371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7717500, while the sum is 53.

The spelling of 315557475371 in words is "three hundred fifteen billion, five hundred fifty-seven million, four hundred seventy-five thousand, three hundred seventy-one".