113030112 has 144 divisors (see below), whose sum is σ = 334433232. Its totient is φ = 33208320.

The previous prime is 113030111. The next prime is 113030131. The reversal of 113030112 is 211030311.

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 (113030111) 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, 2404873 + ... + 2404919.

It is an arithmetic number, because the mean of its divisors is an integer number (2322453).

Almost surely, 2^113030112 is an apocalyptic number.

113030112 is a gapful number since it is divisible by the number (12) 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 113030112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167216616).

113030112 is an abundant number, since it is smaller than the sum of its proper divisors (221403120).

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

113030112 is a wasteful number, since it uses less digits than its factorization.

113030112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 113030112 is about 10631.5620677302. The cubic root of 113030112 is about 483.5017525897.

Adding to 113030112 its reverse (211030311), we get a palindrome (324060423).

The spelling of 113030112 in words is "one hundred thirteen million, thirty thousand, one hundred twelve".