130838931 has 24 divisors (see below), whose sum is σ = 194688000. Its totient is φ = 84634992.

The previous prime is 130838899. The next prime is 130838951. The reversal of 130838931 is 139838031.

It is not a de Polignac number, because 130838931 - 2⁵ = 130838899 is a prime.

It is a super-2 number, since 2×130838931² = 34237651730445522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130838951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40390 + ... + 43508.

It is an arithmetic number, because the mean of its divisors is an integer number (8112000).

Almost surely, 2^130838931 is an apocalyptic number.

130838931 is a deficient number, since it is larger than the sum of its proper divisors (63849069).

130838931 is a wasteful number, since it uses less digits than its factorization.

130838931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263 (or 3260 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 130838931 is about 11438.4846461409. The cubic root of 130838931 is about 507.6670724001.

It can be divided in two parts, 130838 and 931, that added together give a square (131769 = 363²).

The spelling of 130838931 in words is "one hundred thirty million, eight hundred thirty-eight thousand, nine hundred thirty-one".