131038472 has 32 divisors (see below), whose sum is σ = 258989400. Its totient is φ = 62060544.

The previous prime is 131038463. The next prime is 131038477. The reversal of 131038472 is 274830131.

It can be written as a sum of positive squares in 4 ways, for example, as 96157636 + 34880836 = 9806^2 + 5906^2 .

It is a super-2 number, since 2×131038472² = 34342162288189568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (131038477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6968 + ... + 17624.

Almost surely, 2^131038472 is an apocalyptic number.

It is an amenable number.

131038472 is a deficient number, since it is larger than the sum of its proper divisors (127950928).

131038472 is a wasteful number, since it uses less digits than its factorization.

131038472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10745 (or 10741 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 131038472 is about 11447.2036760075. The cubic root of 131038472 is about 507.9250204505.

The spelling of 131038472 in words is "one hundred thirty-one million, thirty-eight thousand, four hundred seventy-two".