130515432431 has 2 divisors, whose sum is σ = 130515432432. Its totient is φ = 130515432430.

The previous prime is 130515432373. The next prime is 130515432449. The reversal of 130515432431 is 134234515031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130515432431 - 2¹⁸ = 130515170287 is a prime.

It is a super-2 number, since 2×130515432431² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130515432461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65257716215 + 65257716216.

It is an arithmetic number, because the mean of its divisors is an integer number (65257716216).

Almost surely, 2^130515432431 is an apocalyptic number.

130515432431 is a deficient number, since it is larger than the sum of its proper divisors (1).

130515432431 is an equidigital number, since it uses as much as digits as its factorization.

130515432431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 130515432431 its reverse (134234515031), we get a palindrome (264749947462).

The spelling of 130515432431 in words is "one hundred thirty billion, five hundred fifteen million, four hundred thirty-two thousand, four hundred thirty-one".