131156232 has 32 divisors (see below), whose sum is σ = 328315680. Its totient is φ = 43662080.

The previous prime is 131156219. The next prime is 131156237. The reversal of 131156232 is 232651131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (131156237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18043 + ... + 24245.

It is an arithmetic number, because the mean of its divisors is an integer number (10259865).

Almost surely, 2^131156232 is an apocalyptic number.

131156232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131156232 is an abundant number, since it is smaller than the sum of its proper divisors (197159448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131156232 is a wasteful number, since it uses less digits than its factorization.

131156232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7093 (or 7089 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 131156232 is about 11452.3461351812. The cubic root of 131156232 is about 508.0771267773.

The spelling of 131156232 in words is "one hundred thirty-one million, one hundred fifty-six thousand, two hundred thirty-two".