130310531 has 12 divisors (see below), whose sum is σ = 148114512. Its totient is φ = 113951664.

The previous prime is 130310497. The next prime is 130310549. The reversal of 130310531 is 135013031.

It is not a de Polignac number, because 130310531 - 2²² = 126116227 is a prime.

It is a super-2 number, since 2×130310531² = 33961668979003922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130310561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9191 + ... + 18576.

It is an arithmetic number, because the mean of its divisors is an integer number (12342876).

Almost surely, 2^130310531 is an apocalyptic number.

130310531 is a deficient number, since it is larger than the sum of its proper divisors (17803981).

130310531 is a wasteful number, since it uses less digits than its factorization.

130310531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27818 (or 27799 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 130310531 is about 11415.3638137380. The cubic root of 130310531 is about 506.9827368151.

Adding to 130310531 its reverse (135013031), we get a palindrome (265323562).

The spelling of 130310531 in words is "one hundred thirty million, three hundred ten thousand, five hundred thirty-one".