113113112 has 32 divisors (see below), whose sum is σ = 243453600. Its totient is φ = 48263424.

The previous prime is 113113081. The next prime is 113113123. The reversal of 113113112 is 211311311.

It is a happy number.

It is a super-2 number, since 2×113113112² = 25589152212649088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8714 + ... + 17382.

It is an arithmetic number, because the mean of its divisors is an integer number (7607925).

Almost surely, 2^113113112 is an apocalyptic number.

It is an amenable number.

113113112 is an abundant number, since it is smaller than the sum of its proper divisors (130340488).

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

113113112 is a wasteful number, since it uses less digits than its factorization.

113113112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915 (or 8911 counting only the distinct ones).

The product of its digits is 18, while the sum is 14.

The square root of 113113112 is about 10635.4648229403. The cubic root of 113113112 is about 483.6200715813.

Adding to 113113112 its reverse (211311311), we get a palindrome (324424423).

It can be divided in two parts, 11311311 and 2, that multiplied together give a palindrome (22622622).

The spelling of 113113112 in words is "one hundred thirteen million, one hundred thirteen thousand, one hundred twelve".