11313203 has 4 divisors (see below), whose sum is σ = 12341688. Its totient is φ = 10284720.

The previous prime is 11313193. The next prime is 11313209. The reversal of 11313203 is 30231311.

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 11313203 - 2⁶ = 11313139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11313209) 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, 514226 + ... + 514247.

It is an arithmetic number, because the mean of its divisors is an integer number (3085422).

Almost surely, 2^11313203 is an apocalyptic number.

11313203 is a deficient number, since it is larger than the sum of its proper divisors (1028485).

11313203 is a wasteful number, since it uses less digits than its factorization.

11313203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028484.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 11313203 is about 3363.5105173018. The cubic root of 11313203 is about 224.4890661553.

Adding to 11313203 its reverse (30231311), we get a palindrome (41544514).

It can be divided in two parts, 1131 and 3203, that added together give a palindrome (4334).

The spelling of 11313203 in words is "eleven million, three hundred thirteen thousand, two hundred three".