13313211322303 has 4 divisors (see below), whose sum is σ = 13313927759728. Its totient is φ = 13312494884880.

The previous prime is 13313211322289. The next prime is 13313211322331. The reversal of 13313211322303 is 30322311231331.

It is a happy number.

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 13313211322303 - 2³³ = 13304621387711 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 (13313211322903) 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, 358190838 + ... + 358228003.

It is an arithmetic number, because the mean of its divisors is an integer number (3328481939932).

Almost surely, 2^{13313211322303} is an apocalyptic number.

13313211322303 is a deficient number, since it is larger than the sum of its proper divisors (716437425).

13313211322303 is an equidigital number, since it uses as much as digits as its factorization.

13313211322303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716437424.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 13313211322303 its reverse (30322311231331), we get a palindrome (43635522553634).

The spelling of 13313211322303 in words is "thirteen trillion, three hundred thirteen billion, two hundred eleven million, three hundred twenty-two thousand, three hundred three".