315325131 has 32 divisors (see below), whose sum is σ = 468840960. Its totient is φ = 186912000.

The previous prime is 315325117. The next prime is 315325133. The reversal of 315325131 is 131523513.

It is not a de Polignac number, because 315325131 - 2¹¹ = 315323083 is a prime.

It is a super-2 number, since 2×315325131² = 198859876480334322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315325133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296106 + ... + 297168.

It is an arithmetic number, because the mean of its divisors is an integer number (14651280).

Almost surely, 2^315325131 is an apocalyptic number.

315325131 is a deficient number, since it is larger than the sum of its proper divisors (153515829).

315325131 is a wasteful number, since it uses less digits than its factorization.

315325131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267.

The product of its digits is 1350, while the sum is 24.

The square root of 315325131 is about 17757.3965152553. The cubic root of 315325131 is about 680.6432285886.

Adding to 315325131 its reverse (131523513), we get a palindrome (446848644).

It can be divided in two parts, 31532 and 5131, that added together give a palindrome (36663).

The spelling of 315325131 in words is "three hundred fifteen million, three hundred twenty-five thousand, one hundred thirty-one".