113031133220 has 48 divisors (see below), whose sum is σ = 239227887360. Its totient is φ = 44858935296.

The previous prime is 113031133199. The next prime is 113031133253. The reversal of 113031133220 is 22331130311.

It is a super-3 number, since 3×113031133220³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 113031133192 and 113031133201.

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, 1424309 + ... + 1501571.

It is an arithmetic number, because the mean of its divisors is an integer number (4983914320).

Almost surely, 2^113031133220 is an apocalyptic number.

113031133220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113031133220 is an abundant number, since it is smaller than the sum of its proper divisors (126196754140).

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

113031133220 is a wasteful number, since it uses less digits than its factorization.

113031133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77844 (or 77842 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 113031133220 its reverse (22331130311), we get a palindrome (135362263531).

The spelling of 113031133220 in words is "one hundred thirteen billion, thirty-one million, one hundred thirty-three thousand, two hundred twenty".