131312332 has 6 divisors (see below), whose sum is σ = 229796588. Its totient is φ = 65656164.

The previous prime is 131312281. The next prime is 131312341. The reversal of 131312332 is 233213131.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16414038 + ... + 16414045.

Almost surely, 2^131312332 is an apocalyptic number.

It is an amenable number.

131312332 is a deficient number, since it is larger than the sum of its proper divisors (98484256).

131312332 is a wasteful number, since it uses less digits than its factorization.

131312332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32828087 (or 32828085 counting only the distinct ones).

The product of its digits is 324, while the sum is 19.

The square root of 131312332 is about 11459.1593059875. The cubic root of 131312332 is about 508.2786152216.

Adding to 131312332 its reverse (233213131), we get a palindrome (364525463).

The spelling of 131312332 in words is "one hundred thirty-one million, three hundred twelve thousand, three hundred thirty-two".