131200232 has 16 divisors (see below), whose sum is σ = 248179140. Its totient is φ = 65019136.

The previous prime is 131200229. The next prime is 131200241. The reversal of 131200232 is 232002131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 101888836 + 29311396 = 10094^2 + 5414^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71663 + ... + 73470.

Almost surely, 2^131200232 is an apocalyptic number.

It is an amenable number.

131200232 is a deficient number, since it is larger than the sum of its proper divisors (116978908).

131200232 is a wasteful number, since it uses less digits than its factorization.

131200232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145252 (or 145248 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 131200232 is about 11454.2669778559. The cubic root of 131200232 is about 508.1339366185.

Adding to 131200232 its reverse (232002131), we get a palindrome (363202363).

The spelling of 131200232 in words is "one hundred thirty-one million, two hundred thousand, two hundred thirty-two".