113331203 has 4 divisors (see below), whose sum is σ = 114334248. Its totient is φ = 112328160.

The previous prime is 113331161. The next prime is 113331247. The reversal of 113331203 is 302133311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113331203 - 2⁶ = 113331139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113331263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501353 + ... + 501578.

It is an arithmetic number, because the mean of its divisors is an integer number (28583562).

Almost surely, 2^113331203 is an apocalyptic number.

113331203 is a deficient number, since it is larger than the sum of its proper divisors (1003045).

113331203 is a wasteful number, since it uses less digits than its factorization.

113331203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003044.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 113331203 is about 10645.7128929912. The cubic root of 113331203 is about 483.9306912457.

Adding to 113331203 its reverse (302133311), we get a palindrome (415464514).

The spelling of 113331203 in words is "one hundred thirteen million, three hundred thirty-one thousand, two hundred three".