130432331 has 2 divisors, whose sum is σ = 130432332. Its totient is φ = 130432330.

The previous prime is 130432297. The next prime is 130432349. The reversal of 130432331 is 133234031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130432331 - 2²⁶ = 63323467 is a prime.

It is a super-2 number, since 2×130432331² = 34025185940187122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130432231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65216165 + 65216166.

It is an arithmetic number, because the mean of its divisors is an integer number (65216166).

Almost surely, 2^130432331 is an apocalyptic number.

130432331 is a deficient number, since it is larger than the sum of its proper divisors (1).

130432331 is an equidigital number, since it uses as much as digits as its factorization.

130432331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 130432331 is about 11420.6974830787. The cubic root of 130432331 is about 507.1406449229.

Adding to 130432331 its reverse (133234031), we get a palindrome (263666362).

The spelling of 130432331 in words is "one hundred thirty million, four hundred thirty-two thousand, three hundred thirty-one".