130195031 has 2 divisors, whose sum is σ = 130195032. Its totient is φ = 130195030.

The previous prime is 130194997. The next prime is 130195063. The reversal of 130195031 is 130591031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130195031 - 2¹⁴ = 130178647 is a prime.

It is a super-2 number, since 2×130195031² = 33901492194181922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 130194988 and 130195006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130195531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65097515 + 65097516.

It is an arithmetic number, because the mean of its divisors is an integer number (65097516).

Almost surely, 2^130195031 is an apocalyptic number.

130195031 is a deficient number, since it is larger than the sum of its proper divisors (1).

130195031 is an equidigital number, since it uses as much as digits as its factorization.

130195031 is an evil number, because the sum of its binary digits is even.

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

The square root of 130195031 is about 11410.3037207605. The cubic root of 130195031 is about 506.8329054479.

The spelling of 130195031 in words is "one hundred thirty million, one hundred ninety-five thousand, thirty-one".