320131130112 has 216 divisors, whose sum is σ = 973898343600. Its totient is φ = 100854595584.

The previous prime is 320131130087. The next prime is 320131130141. The reversal of 320131130112 is 211031131023.

320131130112 is a `hidden beast` number, since 320 + 1 + 31 + 1 + 301 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18946564 + ... + 18963452.

Almost surely, 2^320131130112 is an apocalyptic number.

320131130112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320131130112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486949171800).

320131130112 is an abundant number, since it is smaller than the sum of its proper divisors (653767213488).

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

320131130112 is a wasteful number, since it uses less digits than its factorization.

320131130112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17363 (or 17346 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 320131130112 its reverse (211031131023), we get a palindrome (531162261135).

The spelling of 320131130112 in words is "three hundred twenty billion, one hundred thirty-one million, one hundred thirty thousand, one hundred twelve".