131130732 has 12 divisors (see below), whose sum is σ = 305971736. Its totient is φ = 43710240.

The previous prime is 131130719. The next prime is 131130749. The reversal of 131130732 is 237031131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 131130699 and 131130708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5463769 + ... + 5463792.

Almost surely, 2^131130732 is an apocalyptic number.

131130732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131130732 is an abundant number, since it is smaller than the sum of its proper divisors (174841004).

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

131130732 is a wasteful number, since it uses less digits than its factorization.

131130732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10927568 (or 10927566 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 131130732 is about 11451.2327720643. The cubic root of 131130732 is about 508.0441970764.

Adding to 131130732 its reverse (237031131), we get a palindrome (368161863).

The spelling of 131130732 in words is "one hundred thirty-one million, one hundred thirty thousand, seven hundred thirty-two".