131110432 has 24 divisors (see below), whose sum is σ = 260498700. Its totient is φ = 64952064.

The previous prime is 131110429. The next prime is 131110453. The reversal of 131110432 is 234011131.

It can be written as a sum of positive squares in 2 ways, for example, as 126427536 + 4682896 = 11244^2 + 2164^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15307 + ... + 22282.

Almost surely, 2^131110432 is an apocalyptic number.

It is an amenable number.

131110432 is a deficient number, since it is larger than the sum of its proper divisors (129388268).

131110432 is a wasteful number, since it uses less digits than its factorization.

131110432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37708 (or 37700 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131110432 is about 11450.3463703069. The cubic root of 131110432 is about 508.0179793996.

Adding to 131110432 its reverse (234011131), we get a palindrome (365121563).

The spelling of 131110432 in words is "one hundred thirty-one million, one hundred ten thousand, four hundred thirty-two".