130810881 has 4 divisors (see below), whose sum is σ = 174414512. Its totient is φ = 87207252.

The previous prime is 130810871. The next prime is 130810907. The reversal of 130810881 is 188018031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 130810881 - 2¹⁰ = 130809857 is a prime.

It is a super-2 number, since 2×130810881² = 34222973175992322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130810811) 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, 21801811 + ... + 21801816.

It is an arithmetic number, because the mean of its divisors is an integer number (43603628).

Almost surely, 2^130810881 is an apocalyptic number.

It is an amenable number.

130810881 is a deficient number, since it is larger than the sum of its proper divisors (43603631).

130810881 is an equidigital number, since it uses as much as digits as its factorization.

130810881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43603630.

The product of its (nonzero) digits is 1536, while the sum is 30.

The square root of 130810881 is about 11437.2584564659. The cubic root of 130810881 is about 507.6307909482.

The spelling of 130810881 in words is "one hundred thirty million, eight hundred ten thousand, eight hundred eighty-one".