130509131 has 2 divisors, whose sum is σ = 130509132. Its totient is φ = 130509130.

The previous prime is 130509091. The next prime is 130509133. The reversal of 130509131 is 131905031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130509131 is a prime.

It is a super-2 number, since 2×130509131² = 34065266548750322, which contains 22 as substring.

Together with 130509133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 130509097 and 130509106.

It is not a weakly prime, because it can be changed into another prime (130509133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65254565 + 65254566.

It is an arithmetic number, because the mean of its divisors is an integer number (65254566).

Almost surely, 2^130509131 is an apocalyptic number.

130509131 is a deficient number, since it is larger than the sum of its proper divisors (1).

130509131 is an equidigital number, since it uses as much as digits as its factorization.

130509131 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 130509131 is about 11424.0593048181. The cubic root of 130509131 is about 507.2401620679.

The spelling of 130509131 in words is "one hundred thirty million, five hundred nine thousand, one hundred thirty-one".