130132931 has 4 divisors (see below), whose sum is σ = 130191600. Its totient is φ = 130074264.

The previous prime is 130132903. The next prime is 130132973. The reversal of 130132931 is 139231031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 139231031 = 19 ⋅7327949.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130132931 is a prime.

It is a super-2 number, since 2×130132931² = 33869159461301522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130132897 and 130132906.

It is not an unprimeable number, because it can be changed into a prime (130132531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25871 + ... + 30488.

It is an arithmetic number, because the mean of its divisors is an integer number (32547900).

Almost surely, 2^130132931 is an apocalyptic number.

130132931 is a deficient number, since it is larger than the sum of its proper divisors (58669).

130132931 is an equidigital number, since it uses as much as digits as its factorization.

130132931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58668.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 130132931 is about 11407.5821715208. The cubic root of 130132931 is about 506.7523101321.

Adding to 130132931 its reverse (139231031), we get a palindrome (269363962).

The spelling of 130132931 in words is "one hundred thirty million, one hundred thirty-two thousand, nine hundred thirty-one".