131030475 has 24 divisors (see below), whose sum is σ = 229382640. Its totient is φ = 65771520.

The previous prime is 131030453. The next prime is 131030477. The reversal of 131030475 is 574030131.

It is not a de Polignac number, because 131030475 - 2⁵ = 131030443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131030477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50110 + ... + 52659.

It is an arithmetic number, because the mean of its divisors is an integer number (9557610).

Almost surely, 2^131030475 is an apocalyptic number.

131030475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131030475 is a deficient number, since it is larger than the sum of its proper divisors (98352165).

131030475 is a wasteful number, since it uses less digits than its factorization.

131030475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102799 (or 102794 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 131030475 is about 11446.8543713983. The cubic root of 131030475 is about 507.9146877114.

The spelling of 131030475 in words is "one hundred thirty-one million, thirty thousand, four hundred seventy-five".