130331505344 has 112 divisors (see below), whose sum is σ = 267897839616. Its totient is φ = 62875008000.

The previous prime is 130331505299. The next prime is 130331505373. The reversal of 130331505344 is 443505133031.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 130331505344.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82331177 + ... + 82332759.

Almost surely, 2^130331505344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130331505344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133948919808).

130331505344 is an abundant number, since it is smaller than the sum of its proper divisors (137566334272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130331505344 is a wasteful number, since it uses less digits than its factorization.

130331505344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014 (or 2004 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 130331505344 its reverse (443505133031), we get a palindrome (573836638375).

The spelling of 130331505344 in words is "one hundred thirty billion, three hundred thirty-one million, five hundred five thousand, three hundred forty-four".