131411432 has 16 divisors (see below), whose sum is σ = 246665760. Its totient is φ = 65633904.

The previous prime is 131411393. The next prime is 131411473. The reversal of 131411432 is 234114131.

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, 758 + ... + 16229.

It is an arithmetic number, because the mean of its divisors is an integer number (15416610).

Almost surely, 2^131411432 is an apocalyptic number.

It is an amenable number.

131411432 is a deficient number, since it is larger than the sum of its proper divisors (115254328).

131411432 is a wasteful number, since it uses less digits than its factorization.

131411432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17960 (or 17956 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 131411432 is about 11463.4825424039. The cubic root of 131411432 is about 508.4064471980.

Adding to 131411432 its reverse (234114131), we get a palindrome (365525563).

The spelling of 131411432 in words is "one hundred thirty-one million, four hundred eleven thousand, four hundred thirty-two".