113012320 has 48 divisors (see below), whose sum is σ = 267675408. Its totient is φ = 45089280.

The previous prime is 113012309. The next prime is 113012327. The reversal of 113012320 is 23210311.

It is a self number, because there is not a number n which added to its sum of digits gives 113012320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113012327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90742 + ... + 91978.

It is an arithmetic number, because the mean of its divisors is an integer number (5576571).

Almost surely, 2^113012320 is an apocalyptic number.

113012320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113012320 is an abundant number, since it is smaller than the sum of its proper divisors (154663088).

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

113012320 is a wasteful number, since it uses less digits than its factorization.

113012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823 (or 1815 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 113012320 is about 10630.7252809956. The cubic root of 113012320 is about 483.4763820213.

Adding to 113012320 its reverse (23210311), we get a palindrome (136222631).

The spelling of 113012320 in words is "one hundred thirteen million, twelve thousand, three hundred twenty".