130304431 has 2 divisors, whose sum is σ = 130304432. Its totient is φ = 130304430.

The previous prime is 130304429. The next prime is 130304441. The reversal of 130304431 is 134403031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130304431 - 2¹ = 130304429 is a prime.

It is a super-2 number, since 2×130304431² = 33958489476467522, which contains 22 as substring.

Together with 130304429, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 130304399 and 130304408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130304411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65152215 + 65152216.

It is an arithmetic number, because the mean of its divisors is an integer number (65152216).

Almost surely, 2^130304431 is an apocalyptic number.

130304431 is a deficient number, since it is larger than the sum of its proper divisors (1).

130304431 is an equidigital number, since it uses as much as digits as its factorization.

130304431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 130304431 is about 11415.0966268359. The cubic root of 130304431 is about 506.9748258582.

Adding to 130304431 its reverse (134403031), we get a palindrome (264707462).

The spelling of 130304431 in words is "one hundred thirty million, three hundred four thousand, four hundred thirty-one".