130512400531 has 16 divisors (see below), whose sum is σ = 136831638528. Its totient is φ = 124248124000.

The previous prime is 130512400507. The next prime is 130512400567. The reversal of 130512400531 is 135004215031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 130512400531 - 2²³ = 130504011923 is a prime.

It is a super-2 number, since 2×130512400531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130512400496 and 130512400505.

It is not an unprimeable number, because it can be changed into a prime (130512400831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4829106 + ... + 4856056.

It is an arithmetic number, because the mean of its divisors is an integer number (8551977408).

Almost surely, 2^130512400531 is an apocalyptic number.

130512400531 is a deficient number, since it is larger than the sum of its proper divisors (6319237997).

130512400531 is a wasteful number, since it uses less digits than its factorization.

130512400531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27962.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 130512400531 its reverse (135004215031), we get a palindrome (265516615562).

The spelling of 130512400531 in words is "one hundred thirty billion, five hundred twelve million, four hundred thousand, five hundred thirty-one".