130042831 has 2 divisors, whose sum is σ = 130042832. Its totient is φ = 130042830.

The previous prime is 130042817. The next prime is 130042837. The reversal of 130042831 is 138240031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130042831 - 2¹¹ = 130040783 is a prime.

It is a super-2 number, since 2×130042831² = 33822275788989122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130042837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65021415 + 65021416.

It is an arithmetic number, because the mean of its divisors is an integer number (65021416).

Almost surely, 2^130042831 is an apocalyptic number.

130042831 is a deficient number, since it is larger than the sum of its proper divisors (1).

130042831 is an equidigital number, since it uses as much as digits as its factorization.

130042831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 130042831 is about 11403.6323599106. The cubic root of 130042831 is about 506.6353299429.

Adding to 130042831 its reverse (138240031), we get a palindrome (268282862).

The spelling of 130042831 in words is "one hundred thirty million, forty-two thousand, eight hundred thirty-one".