220130031312 has 60 divisors (see below), whose sum is σ = 635931214464. Its totient is φ = 71009686080.

The previous prime is 220130031263. The next prime is 220130031349. The reversal of 220130031312 is 213130031022.

220130031312 is a `hidden beast` number, since 2 + 20 + 1 + 300 + 31 + 312 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 24651678 + ... + 24660605.

Almost surely, 2^220130031312 is an apocalyptic number.

It is an amenable number.

220130031312 is an abundant number, since it is smaller than the sum of its proper divisors (415801183152).

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

220130031312 is a wasteful number, since it uses less digits than its factorization.

220130031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49312328 (or 49312319 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 220130031312 its reverse (213130031022), we get a palindrome (433260062334).

The spelling of 220130031312 in words is "two hundred twenty billion, one hundred thirty million, thirty-one thousand, three hundred twelve".