113313203100 has 144 divisors (see below), whose sum is σ = 366902905600. Its totient is φ = 29999367360.

The previous prime is 113313203089. The next prime is 113313203137. The reversal of 113313203100 is 1302313311.

It is a happy number.

113313203100 is a `hidden beast` number, since 1 + 1 + 3 + 31 + 320 + 310 + 0 = 666.

It is a super-2 number, since 2×113313203100² (a number of 23 digits) contains 22 as substring.

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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 224337 + ... + 526263.

Almost surely, 2^113313203100 is an apocalyptic number.

113313203100 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 113313203100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183451452800).

113313203100 is an abundant number, since it is smaller than the sum of its proper divisors (253589702500).

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

113313203100 is a wasteful number, since it uses less digits than its factorization.

113313203100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302089 (or 302076 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 113313203100 its reverse (1302313311), we get a palindrome (114615516411).

The spelling of 113313203100 in words is "one hundred thirteen billion, three hundred thirteen million, two hundred three thousand, one hundred".