315044235231 has 16 divisors (see below), whose sum is σ = 458283267840. Its totient is φ = 190920438720.

The previous prime is 315044235227. The next prime is 315044235271. The reversal of 315044235231 is 132532440513.

It is not a de Polignac number, because 315044235231 - 2² = 315044235227 is a prime.

It is a super-2 number, since 2×315044235231² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 315044235192 and 315044235201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315044235271) 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, 33990 + ... + 794508.

It is an arithmetic number, because the mean of its divisors is an integer number (28642704240).

Almost surely, 2^315044235231 is an apocalyptic number.

315044235231 is a deficient number, since it is larger than the sum of its proper divisors (143239032609).

315044235231 is a wasteful number, since it uses less digits than its factorization.

315044235231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773086.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 315044235231 its reverse (132532440513), we get a palindrome (447576675744).

The spelling of 315044235231 in words is "three hundred fifteen billion, forty-four million, two hundred thirty-five thousand, two hundred thirty-one".