130931051 has 4 divisors (see below), whose sum is σ = 130954392. Its totient is φ = 130907712.

The previous prime is 130931023. The next prime is 130931057. The reversal of 130931051 is 150139031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150139031 = 7 ⋅21448433.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130931051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130931057) 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, 2396 + ... + 16358.

It is an arithmetic number, because the mean of its divisors is an integer number (32738598).

Almost surely, 2^130931051 is an apocalyptic number.

130931051 is a deficient number, since it is larger than the sum of its proper divisors (23341).

130931051 is an equidigital number, since it uses as much as digits as its factorization.

130931051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23340.

The product of its (nonzero) digits is 405, while the sum is 23.

The square root of 130931051 is about 11442.5106947732. The cubic root of 130931051 is about 507.7861891365.

The spelling of 130931051 in words is "one hundred thirty million, nine hundred thirty-one thousand, fifty-one".