113203224 has 64 divisors (see below), whose sum is σ = 317628000. Its totient is φ = 37353600.

The previous prime is 113203199. The next prime is 113203231. The reversal of 113203224 is 422302311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 113203197 and 113203206.

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, 19222 + ... + 24410.

Almost surely, 2^113203224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113203224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158814000).

113203224 is an abundant number, since it is smaller than the sum of its proper divisors (204424776).

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

113203224 is a wasteful number, since it uses less digits than its factorization.

113203224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305 (or 5295 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 113203224 is about 10639.7003717210. The cubic root of 113203224 is about 483.7484634288.

Adding to 113203224 its reverse (422302311), we get a palindrome (535505535).

The spelling of 113203224 in words is "one hundred thirteen million, two hundred three thousand, two hundred twenty-four".