130996531 has 2 divisors, whose sum is σ = 130996532. Its totient is φ = 130996530.

The previous prime is 130996513. The next prime is 130996573. The reversal of 130996531 is 135699031.

Together with previous prime (130996513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130996531 - 2⁷ = 130996403 is a prime.

It is a super-2 number, since 2×130996531² = 34320182268067922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130996511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65498265 + 65498266.

It is an arithmetic number, because the mean of its divisors is an integer number (65498266).

Almost surely, 2^130996531 is an apocalyptic number.

130996531 is a deficient number, since it is larger than the sum of its proper divisors (1).

130996531 is an equidigital number, since it uses as much as digits as its factorization.

130996531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21870, while the sum is 37.

The square root of 130996531 is about 11445.3715972877. The cubic root of 130996531 is about 507.8708247726.

The spelling of 130996531 in words is "one hundred thirty million, nine hundred ninety-six thousand, five hundred thirty-one".