131274473 has 12 divisors (see below), whose sum is σ = 145585524. Its totient is φ = 118272000.

The previous prime is 131274463. The next prime is 131274509. The reversal of 131274473 is 374472131.

It can be written as a sum of positive squares in 2 ways, for example, as 42406144 + 88868329 = 6512^2 + 9427^2 .

It is not a de Polignac number, because 131274473 - 2⁸ = 131274217 is a prime.

It is a super-2 number, since 2×131274473² = 34465974522855458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131274433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8873 + ... + 18473.

It is an arithmetic number, because the mean of its divisors is an integer number (12132127).

Almost surely, 2^131274473 is an apocalyptic number.

It is an amenable number.

131274473 is a deficient number, since it is larger than the sum of its proper divisors (14311051).

131274473 is a wasteful number, since it uses less digits than its factorization.

131274473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9736 (or 9725 counting only the distinct ones).

The product of its digits is 14112, while the sum is 32.

The square root of 131274473 is about 11457.5072768906. The cubic root of 131274473 is about 508.2297628165.

The spelling of 131274473 in words is "one hundred thirty-one million, two hundred seventy-four thousand, four hundred seventy-three".