131032044 has 72 divisors (see below), whose sum is σ = 389140752. Its totient is φ = 36650880.

The previous prime is 131031997. The next prime is 131032067. The reversal of 131032044 is 440230131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7579 + ... + 17874.

Almost surely, 2^131032044 is an apocalyptic number.

It is an amenable number.

131032044 is an abundant number, since it is smaller than the sum of its proper divisors (258108708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131032044 is a wasteful number, since it uses less digits than its factorization.

131032044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25487 (or 25482 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 131032044 is about 11446.9229053052. The cubic root of 131032044 is about 507.9167150132.

Adding to 131032044 its reverse (440230131), we get a palindrome (571262175).

The spelling of 131032044 in words is "one hundred thirty-one million, thirty-two thousand, forty-four".