130845520431 has 12 divisors (see below), whose sum is σ = 189130994208. Its totient is φ = 87169465824.

The previous prime is 130845520411. The next prime is 130845520439. The reversal of 130845520431 is 134025548031.

130845520431 is a `hidden beast` number, since 13 + 0 + 84 + 5 + 520 + 43 + 1 = 666.

It is not a de Polignac number, because 130845520431 - 2¹⁰ = 130845519407 is a prime.

It is a super-2 number, since 2×130845520431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130845520439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5059815 + ... + 5085608.

It is an arithmetic number, because the mean of its divisors is an integer number (15760916184).

Almost surely, 2^130845520431 is an apocalyptic number.

130845520431 is a deficient number, since it is larger than the sum of its proper divisors (58285473777).

130845520431 is a wasteful number, since it uses less digits than its factorization.

130845520431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10146862 (or 10146859 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 130845520431 in words is "one hundred thirty billion, eight hundred forty-five million, five hundred twenty thousand, four hundred thirty-one".