13303221303 has 4 divisors (see below), whose sum is σ = 17737628408. Its totient is φ = 8868814200.

The previous prime is 13303221263. The next prime is 13303221311. The reversal of 13303221303 is 30312230331.

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

It is not a de Polignac number, because 13303221303 - 2⁸ = 13303221047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13303221303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13303221313) 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, 2217203548 + ... + 2217203553.

It is an arithmetic number, because the mean of its divisors is an integer number (4434407102).

Almost surely, 2^13303221303 is an apocalyptic number.

13303221303 is a deficient number, since it is larger than the sum of its proper divisors (4434407105).

13303221303 is an equidigital number, since it uses as much as digits as its factorization.

13303221303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4434407104.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 13303221303 its reverse (30312230331), we get a palindrome (43615451634).

The spelling of 13303221303 in words is "thirteen billion, three hundred three million, two hundred twenty-one thousand, three hundred three".