113321613100 has 72 divisors (see below), whose sum is σ = 252893935280. Its totient is φ = 44044197120.

The previous prime is 113321613077. The next prime is 113321613133. The reversal of 113321613100 is 1316123311.

It is a super-2 number, since 2×113321613100² (a number of 23 digits) contains 22 as substring.

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, 2780671 + ... + 2821129.

Almost surely, 2^113321613100 is an apocalyptic number.

113321613100 is a gapful number since it is divisible by the number (10) 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 113321613100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126446967640).

113321613100 is an abundant number, since it is smaller than the sum of its proper divisors (139572322180).

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

113321613100 is a wasteful number, since it uses less digits than its factorization.

113321613100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41267 (or 41260 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 113321613100 its reverse (1316123311), we get a palindrome (114637736411).

The spelling of 113321613100 in words is "one hundred thirteen billion, three hundred twenty-one million, six hundred thirteen thousand, one hundred".