13311122303 has 4 divisors (see below), whose sum is σ = 13562275608. Its totient is φ = 13059969000.

The previous prime is 13311122287. The next prime is 13311122309. The reversal of 13311122303 is 30322111331.

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 13311122303 - 2⁴ = 13311122287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311122309) 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, 125576573 + ... + 125576678.

It is an arithmetic number, because the mean of its divisors is an integer number (3390568902).

Almost surely, 2^13311122303 is an apocalyptic number.

13311122303 is a deficient number, since it is larger than the sum of its proper divisors (251153305).

13311122303 is an equidigital number, since it uses as much as digits as its factorization.

13311122303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251153304.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13311122303 its reverse (30322111331), we get a palindrome (43633233634).

The spelling of 13311122303 in words is "thirteen billion, three hundred eleven million, one hundred twenty-two thousand, three hundred three".