130161631 has 2 divisors, whose sum is σ = 130161632. Its totient is φ = 130161630.

The previous prime is 130161613. The next prime is 130161667. The reversal of 130161631 is 136161031.

It is a happy number.

Together with previous prime (130161613) 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 a de Polignac number, because none of the positive numbers 2^k-130161631 is a prime.

It is a super-2 number, since 2×130161631² = 33884100369160322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130161131) 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, 65080815 + 65080816.

It is an arithmetic number, because the mean of its divisors is an integer number (65080816).

Almost surely, 2^130161631 is an apocalyptic number.

130161631 is a deficient number, since it is larger than the sum of its proper divisors (1).

130161631 is an equidigital number, since it uses as much as digits as its factorization.

130161631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 130161631 is about 11408.8400374446. The cubic root of 130161631 is about 506.7895610727.

The spelling of 130161631 in words is "one hundred thirty million, one hundred sixty-one thousand, six hundred thirty-one".