130131232 has 48 divisors (see below), whose sum is σ = 319419072. Its totient is φ = 50699520.

The previous prime is 130131229. The next prime is 130131241. The reversal of 130131232 is 232131031.

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 7 ways as a sum of consecutive naturals, for example, 23943 + ... + 28870.

It is an arithmetic number, because the mean of its divisors is an integer number (6654564).

Almost surely, 2^130131232 is an apocalyptic number.

It is an amenable number.

130131232 is an abundant number, since it is smaller than the sum of its proper divisors (189287840).

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

130131232 is a wasteful number, since it uses less digits than its factorization.

130131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52841 (or 52833 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 130131232 is about 11407.5077032628. The cubic root of 130131232 is about 506.7501047566.

Adding to 130131232 its reverse (232131031), we get a palindrome (362262263).

It can be divided in two parts, 13013 and 1232, that multiplied together give a square (16032016 = 4004²).

The spelling of 130131232 in words is "one hundred thirty million, one hundred thirty-one thousand, two hundred thirty-two".