13311203 has 4 divisors (see below), whose sum is σ = 13770240. Its totient is φ = 12852168.

The previous prime is 13311169. The next prime is 13311217. The reversal of 13311203 is 30211331.

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 13311203 - 2¹⁴ = 13294819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13311223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 229475 + ... + 229532.

It is an arithmetic number, because the mean of its divisors is an integer number (3442560).

Almost surely, 2^13311203 is an apocalyptic number.

13311203 is a deficient number, since it is larger than the sum of its proper divisors (459037).

13311203 is an equidigital number, since it uses as much as digits as its factorization.

13311203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459036.

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

The square root of 13311203 is about 3648.4521375509. The cubic root of 13311203 is about 236.9949555918.

Adding to 13311203 its reverse (30211331), we get a palindrome (43522534).

The spelling of 13311203 in words is "thirteen million, three hundred eleven thousand, two hundred three".