315431134513 has 16 divisors (see below), whose sum is σ = 345048826752. Its totient is φ = 285971328000.

The previous prime is 315431134493. The next prime is 315431134537.

315431134513 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 315431134513 - 2⁵ = 315431134481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315431134813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7620433 + ... + 7661713.

It is an arithmetic number, because the mean of its divisors is an integer number (21565551672).

Almost surely, 2^315431134513 is an apocalyptic number.

It is an amenable number.

315431134513 is a deficient number, since it is larger than the sum of its proper divisors (29617692239).

315431134513 is a wasteful number, since it uses less digits than its factorization.

315431134513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43176.

The product of its digits is 32400, while the sum is 34.

It can be divided in two parts, 315431 and 134513, that added together give a palindrome (449944).

The spelling of 315431134513 in words is "three hundred fifteen billion, four hundred thirty-one million, one hundred thirty-four thousand, five hundred thirteen".