131304232 has 16 divisors (see below), whose sum is σ = 247621140. Its totient is φ = 65271936.

The previous prime is 131304221. The next prime is 131304233. The reversal of 131304232 is 232403131.

It can be written as a sum of positive squares in 2 ways, for example, as 86601636 + 44702596 = 9306^2 + 6686^2 .

It is a super-2 number, since 2×131304232² = 34481602682219648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131304233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46053 + ... + 48820.

Almost surely, 2^131304232 is an apocalyptic number.

It is an amenable number.

131304232 is a deficient number, since it is larger than the sum of its proper divisors (116316908).

131304232 is a wasteful number, since it uses less digits than its factorization.

131304232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95052 (or 95048 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 131304232 is about 11458.8058714685. The cubic root of 131304232 is about 508.2681639528.

Adding to 131304232 its reverse (232403131), we get a palindrome (363707363).

The spelling of 131304232 in words is "one hundred thirty-one million, three hundred four thousand, two hundred thirty-two".