113011321320 has 96 divisors (see below), whose sum is σ = 386617701600. Its totient is φ = 28550226816.

The previous prime is 113011321231. The next prime is 113011321327. The reversal of 113011321320 is 23123110311.

113011321320 is a `hidden beast` number, since 1 + 13 + 0 + 11 + 321 + 320 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 113011321293 and 113011321302.

It is not an unprimeable number, because it can be changed into a prime (113011321327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8254222 + ... + 8267901.

It is an arithmetic number, because the mean of its divisors is an integer number (4027267725).

Almost surely, 2^113011321320 is an apocalyptic number.

113011321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113011321320 is an abundant number, since it is smaller than the sum of its proper divisors (273606380280).

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

113011321320 is a wasteful number, since it uses less digits than its factorization.

113011321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16522159 (or 16522152 counting only the distinct ones).

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

Adding to 113011321320 its reverse (23123110311), we get a palindrome (136134431631).

The spelling of 113011321320 in words is "one hundred thirteen billion, eleven million, three hundred twenty-one thousand, three hundred twenty".