130032431 has 2 divisors, whose sum is σ = 130032432. Its totient is φ = 130032430.

The previous prime is 130032421. The next prime is 130032457. The reversal of 130032431 is 134230031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130032431 - 2¹⁸ = 129770287 is a prime.

It is a super-2 number, since 2×130032431² = 33816866223539522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130032421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65016215 + 65016216.

It is an arithmetic number, because the mean of its divisors is an integer number (65016216).

Almost surely, 2^130032431 is an apocalyptic number.

130032431 is a deficient number, since it is larger than the sum of its proper divisors (1).

130032431 is an equidigital number, since it uses as much as digits as its factorization.

130032431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 130032431 is about 11403.1763557353. The cubic root of 130032431 is about 506.6218237571.

Adding to 130032431 its reverse (134230031), we get a palindrome (264262462).

The spelling of 130032431 in words is "one hundred thirty million, thirty-two thousand, four hundred thirty-one".