131310232 has 8 divisors (see below), whose sum is σ = 246206700. Its totient is φ = 65655112.

The previous prime is 131310217. The next prime is 131310239. The reversal of 131310232 is 232013131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131310239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8206882 + ... + 8206897.

Almost surely, 2^131310232 is an apocalyptic number.

It is an amenable number.

131310232 is a deficient number, since it is larger than the sum of its proper divisors (114896468).

131310232 is a wasteful number, since it uses less digits than its factorization.

131310232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16413785 (or 16413781 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 131310232 is about 11459.0676758626. The cubic root of 131310232 is about 508.2759056747.

Adding to 131310232 its reverse (232013131), we get a palindrome (363323363).

The spelling of 131310232 in words is "one hundred thirty-one million, three hundred ten thousand, two hundred thirty-two".