113303100 has 72 divisors (see below), whose sum is σ = 329197680. Its totient is φ = 30087680.

The previous prime is 113303089. The next prime is 113303101. The reversal of 113303100 is 1303311.

It is a super-2 number, since 2×113303100² = 25675184939220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113303101) 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, 87256 + ... + 88544.

It is an arithmetic number, because the mean of its divisors is an integer number (4572190).

Almost surely, 2^113303100 is an apocalyptic number.

113303100 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 113303100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164598840).

113303100 is an abundant number, since it is smaller than the sum of its proper divisors (215894580).

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

113303100 is a wasteful number, since it uses less digits than its factorization.

113303100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599 (or 1592 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 113303100 is about 10644.3928901558. The cubic root of 113303100 is about 483.8906874687.

Adding to 113303100 its reverse (1303311), we get a palindrome (114606411).

The spelling of 113303100 in words is "one hundred thirteen million, three hundred three thousand, one hundred".