315970345331 has 4 divisors (see below), whose sum is σ = 324510084432. Its totient is φ = 307430606232.

The previous prime is 315970345307. The next prime is 315970345343. The reversal of 315970345331 is 133543079513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315970345331 - 2¹⁰ = 315970344307 is a prime.

It is a super-2 number, since 2×315970345331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315970345531) 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 in 3 ways as a sum of consecutive naturals, for example, 4269869495 + ... + 4269869568.

It is an arithmetic number, because the mean of its divisors is an integer number (81127521108).

Almost surely, 2^315970345331 is an apocalyptic number.

315970345331 is a deficient number, since it is larger than the sum of its proper divisors (8539739101).

315970345331 is an equidigital number, since it uses as much as digits as its factorization.

315970345331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8539739100.

The product of its (nonzero) digits is 510300, while the sum is 44.

The spelling of 315970345331 in words is "three hundred fifteen billion, nine hundred seventy million, three hundred forty-five thousand, three hundred thirty-one".