113203216 has 40 divisors (see below), whose sum is σ = 263862080. Its totient is φ = 45961344.

The previous prime is 113203199. The next prime is 113203231. The reversal of 113203216 is 612302311.

It is a super-2 number, since 2×113203216² = 25629936225485312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 113203193 and 113203202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24471 + ... + 28726.

It is an arithmetic number, because the mean of its divisors is an integer number (6596552).

Almost surely, 2^113203216 is an apocalyptic number.

113203216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

113203216 is an abundant number, since it is smaller than the sum of its proper divisors (150658864).

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

113203216 is a wasteful number, since it uses less digits than its factorization.

113203216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53231 (or 53225 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 113203216 is about 10639.6999957706. The cubic root of 113203216 is about 483.7484520334.

Adding to 113203216 its reverse (612302311), we get a palindrome (725505527).

The spelling of 113203216 in words is "one hundred thirteen million, two hundred three thousand, two hundred sixteen".