130404432131 has 2 divisors, whose sum is σ = 130404432132. Its totient is φ = 130404432130.

The previous prime is 130404432127. The next prime is 130404432139. The reversal of 130404432131 is 131234404031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130404432131 - 2² = 130404432127 is a prime.

It is a super-2 number, since 2×130404432131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130404432131.

It is not a weakly prime, because it can be changed into another prime (130404432139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65202216065 + 65202216066.

It is an arithmetic number, because the mean of its divisors is an integer number (65202216066).

Almost surely, 2^130404432131 is an apocalyptic number.

130404432131 is a deficient number, since it is larger than the sum of its proper divisors (1).

130404432131 is an equidigital number, since it uses as much as digits as its factorization.

130404432131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 130404432131 its reverse (131234404031), we get a palindrome (261638836162).

The spelling of 130404432131 in words is "one hundred thirty billion, four hundred four million, four hundred thirty-two thousand, one hundred thirty-one".