131304775 has 12 divisors (see below), whose sum is σ = 186077872. Its totient is φ = 90037440.

The previous prime is 131304743. The next prime is 131304799. The reversal of 131304775 is 577403131.

It is not a de Polignac number, because 131304775 - 2⁵ = 131304743 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 374982 + ... + 375331.

Almost surely, 2^131304775 is an apocalyptic number.

131304775 is a deficient number, since it is larger than the sum of its proper divisors (54773097).

131304775 is an equidigital number, since it uses as much as digits as its factorization.

131304775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750330 (or 750325 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 131304775 is about 11458.8295650123. The cubic root of 131304775 is about 508.2688645884.

The spelling of 131304775 in words is "one hundred thirty-one million, three hundred four thousand, seven hundred seventy-five".