131624232 has 16 divisors (see below), whose sum is σ = 329060640. Its totient is φ = 43874736.

The previous prime is 131624203. The next prime is 131624261. The reversal of 131624232 is 232426131.

It is an interprime number because it is at equal distance from previous prime (131624203) and next prime (131624261).

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 5484343 = 131624232 / (1 + 3 + 1 + 6 + 2 + 4 + 2 + 3 + 2).

It is a nude number because it is divisible by every one of its digits.

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, 2742148 + ... + 2742195.

It is an arithmetic number, because the mean of its divisors is an integer number (20566290).

Almost surely, 2^131624232 is an apocalyptic number.

131624232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131624232 is an abundant number, since it is smaller than the sum of its proper divisors (197436408).

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

131624232 is a wasteful number, since it uses less digits than its factorization.

131624232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5484352 (or 5484348 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 131624232 is about 11472.7604350479. The cubic root of 131624232 is about 508.6807271053.

The spelling of 131624232 in words is "one hundred thirty-one million, six hundred twenty-four thousand, two hundred thirty-two".