130909031 has 32 divisors (see below), whose sum is σ = 158906880. Its totient is φ = 106444800.

The previous prime is 130909007. The next prime is 130909033.

130909031 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 130909031 - 2¹⁴ = 130892647 is a prime.

It is a super-2 number, since 2×130909031² = 34274348794717922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130909033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 543071 + ... + 543311.

It is an arithmetic number, because the mean of its divisors is an integer number (4965840).

Almost surely, 2^130909031 is an apocalyptic number.

130909031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130909031 is a deficient number, since it is larger than the sum of its proper divisors (27997849).

130909031 is a wasteful number, since it uses less digits than its factorization.

130909031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 130909031 is about 11441.5484528974. The cubic root of 130909031 is about 507.7577210263.

The spelling of 130909031 in words is "one hundred thirty million, nine hundred nine thousand, thirty-one".