113113100 has 18 divisors (see below), whose sum is σ = 245455644. Its totient is φ = 45245200.

The previous prime is 113113081. The next prime is 113113123. The reversal of 113113100 is 1311311.

It is a happy number.

It is a super-2 number, since 2×113113100² = 25589146783220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 565466 + ... + 565665.

Almost surely, 2^113113100 is an apocalyptic number.

113113100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113113100 is an abundant number, since it is smaller than the sum of its proper divisors (132342544).

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

113113100 is a wasteful number, since it uses less digits than its factorization.

113113100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131145 (or 1131138 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 113113100 is about 10635.4642587900. The cubic root of 113113100 is about 483.6200544791.

Adding to 113113100 its reverse (1311311), we get a palindrome (114424411).

The spelling of 113113100 in words is "one hundred thirteen million, one hundred thirteen thousand, one hundred".