131324204475 has 72 divisors (see below), whose sum is σ = 244187204352. Its totient is φ = 69965143200.

The previous prime is 131324204467. The next prime is 131324204497. The reversal of 131324204475 is 574402423131.

131324204475 is a `hidden beast` number, since 13 + 132 + 42 + 0 + 4 + 475 = 666.

It is not a de Polignac number, because 131324204475 - 2³ = 131324204467 is a prime.

It is a super-2 number, since 2×131324204475² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5960730 + ... + 5982720.

Almost surely, 2^131324204475 is an apocalyptic number.

131324204475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131324204475 is a deficient number, since it is larger than the sum of its proper divisors (112862999877).

131324204475 is an equidigital number, since it uses as much as digits as its factorization.

131324204475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22999 (or 22982 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 131324204475 in words is "one hundred thirty-one billion, three hundred twenty-four million, two hundred four thousand, four hundred seventy-five".