315113532431 has 8 divisors (see below), whose sum is σ = 333735485760. Its totient is φ = 296501119488.

The previous prime is 315113532413. The next prime is 315113532439. The reversal of 315113532431 is 134235311513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315113532431 - 2³⁸ = 40235625487 is a prime.

It is a super-2 number, since 2×315113532431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315113532439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2317031 + ... + 2449256.

It is an arithmetic number, because the mean of its divisors is an integer number (41716935720).

Almost surely, 2^315113532431 is an apocalyptic number.

315113532431 is a deficient number, since it is larger than the sum of its proper divisors (18621953329).

315113532431 is a wasteful number, since it uses less digits than its factorization.

315113532431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770193.

The product of its digits is 16200, while the sum is 32.

Adding to 315113532431 its reverse (134235311513), we get a palindrome (449348843944).

The spelling of 315113532431 in words is "three hundred fifteen billion, one hundred thirteen million, five hundred thirty-two thousand, four hundred thirty-one".