131253232 has 20 divisors (see below), whose sum is σ = 277421976. Its totient is φ = 59660480.

The previous prime is 131253193. The next prime is 131253233. The reversal of 131253232 is 232352131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131253233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372703 + ... + 373054.

Almost surely, 2^131253232 is an apocalyptic number.

It is an amenable number.

131253232 is an abundant number, since it is smaller than the sum of its proper divisors (146168744).

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

131253232 is a wasteful number, since it uses less digits than its factorization.

131253232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745776 (or 745770 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 131253232 is about 11456.5802925655. The cubic root of 131253232 is about 508.2023497929.

The spelling of 131253232 in words is "one hundred thirty-one million, two hundred fifty-three thousand, two hundred thirty-two".