315236272 has 40 divisors (see below), whose sum is σ = 678984320. Its totient is φ = 140797440.

The previous prime is 315236261. The next prime is 315236279. The reversal of 315236272 is 272632513.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (315236279) 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, 17997 + ... + 30892.

It is an arithmetic number, because the mean of its divisors is an integer number (16974608).

Almost surely, 2^315236272 is an apocalyptic number.

It is an amenable number.

315236272 is an abundant number, since it is smaller than the sum of its proper divisors (363748048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315236272 is a wasteful number, since it uses less digits than its factorization.

315236272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48941 (or 48935 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 315236272 is about 17754.8943111470. The cubic root of 315236272 is about 680.5792872227.

Adding to 315236272 its reverse (272632513), we get a palindrome (587868785).

The spelling of 315236272 in words is "three hundred fifteen million, two hundred thirty-six thousand, two hundred seventy-two".