130495931 has 2 divisors, whose sum is σ = 130495932. Its totient is φ = 130495930.

The previous prime is 130495919. The next prime is 130495973. The reversal of 130495931 is 139594031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130495931 - 2⁶ = 130495867 is a prime.

It is a super-2 number, since 2×130495931² = 34058376015113522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 130495891 and 130495900.

It is not a weakly prime, because it can be changed into another prime (130495901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65247965 + 65247966.

It is an arithmetic number, because the mean of its divisors is an integer number (65247966).

Almost surely, 2^130495931 is an apocalyptic number.

130495931 is a deficient number, since it is larger than the sum of its proper divisors (1).

130495931 is an equidigital number, since it uses as much as digits as its factorization.

130495931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 130495931 is about 11423.4815621158. The cubic root of 130495931 is about 507.2230603376.

The spelling of 130495931 in words is "one hundred thirty million, four hundred ninety-five thousand, nine hundred thirty-one".