113203320 has 64 divisors (see below), whose sum is σ = 350576640. Its totient is φ = 29212800.

The previous prime is 113203319. The next prime is 113203331. The reversal of 113203320 is 23302311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 113203320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11496 + ... + 18935.

It is an arithmetic number, because the mean of its divisors is an integer number (5477760).

Almost surely, 2^113203320 is an apocalyptic number.

113203320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113203320 is an abundant number, since it is smaller than the sum of its proper divisors (237373320).

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

113203320 is a wasteful number, since it uses less digits than its factorization.

113203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30476 (or 30472 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 113203320 is about 10639.7048831253. The cubic root of 113203320 is about 483.7486001736.

Adding to 113203320 its reverse (23302311), we get a palindrome (136505631).

The spelling of 113203320 in words is "one hundred thirteen million, two hundred three thousand, three hundred twenty".