113203211 has 8 divisors (see below), whose sum is σ = 127753200. Its totient is φ = 99363040.

The previous prime is 113203199. The next prime is 113203231. The reversal of 113203211 is 112302311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113203211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113203231) 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, 177116 + ... + 177753.

It is an arithmetic number, because the mean of its divisors is an integer number (15969150).

Almost surely, 2^113203211 is an apocalyptic number.

113203211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113203211 is a deficient number, since it is larger than the sum of its proper divisors (14549989).

113203211 is a wasteful number, since it uses less digits than its factorization.

113203211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354909.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 113203211 is about 10639.6997608015. The cubic root of 113203211 is about 483.7484449113.

Adding to 113203211 its reverse (112302311), we get a palindrome (225505522).

The spelling of 113203211 in words is "one hundred thirteen million, two hundred three thousand, two hundred eleven".