131870332 has 24 divisors (see below), whose sum is σ = 252362880. Its totient is φ = 59795760.

The previous prime is 131870329. The next prime is 131870341. The reversal of 131870332 is 233078131.

It is a self number, because there is not a number n which added to its sum of digits gives 131870332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15903 + ... + 22729.

It is an arithmetic number, because the mean of its divisors is an integer number (10515120).

Almost surely, 2^131870332 is an apocalyptic number.

It is an amenable number.

131870332 is a deficient number, since it is larger than the sum of its proper divisors (120492548).

131870332 is a wasteful number, since it uses less digits than its factorization.

131870332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7281 (or 7279 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 131870332 is about 11483.4808311766. The cubic root of 131870332 is about 508.9975593102.

The spelling of 131870332 in words is "one hundred thirty-one million, eight hundred seventy thousand, three hundred thirty-two".