130531190981 has 8 divisors (see below), whose sum is σ = 131354260128. Its totient is φ = 129709242000.

The previous prime is 130531190963. The next prime is 130531190989. The reversal of 130531190981 is 189091135031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130531190981 - 2²⁶ = 130464082117 is a prime.

It is a super-2 number, since 2×130531190981² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130531190989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45635 + ... + 512976.

It is an arithmetic number, because the mean of its divisors is an integer number (16419282516).

Almost surely, 2^130531190981 is an apocalyptic number.

It is an amenable number.

130531190981 is a deficient number, since it is larger than the sum of its proper divisors (823069147).

130531190981 is a wasteful number, since it uses less digits than its factorization.

130531190981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560083.

The product of its (nonzero) digits is 29160, while the sum is 41.

The spelling of 130531190981 in words is "one hundred thirty billion, five hundred thirty-one million, one hundred ninety thousand, nine hundred eighty-one".