13311033223321 has 24 divisors (see below), whose sum is σ = 14871061923840. Its totient is φ = 11888976540672.

The previous prime is 13311033223249. The next prime is 13311033223333. The reversal of 13311033223321 is 12332233011331.

It is a happy number.

It is not a de Polignac number, because 13311033223321 - 2¹⁷ = 13311033092249 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 13311033223321.

It is not an unprimeable number, because it can be changed into a prime (13311033223921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7039936 + ... + 8728273.

It is an arithmetic number, because the mean of its divisors is an integer number (619627580160).

Almost surely, 2^{13311033223321} is an apocalyptic number.

It is an amenable number.

13311033223321 is a deficient number, since it is larger than the sum of its proper divisors (1560028700519).

13311033223321 is a wasteful number, since it uses less digits than its factorization.

13311033223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15768393 (or 15768376 counting only the distinct ones).

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

Adding to 13311033223321 its reverse (12332233011331), we get a palindrome (25643266234652).

The spelling of 13311033223321 in words is "thirteen trillion, three hundred eleven billion, thirty-three million, two hundred twenty-three thousand, three hundred twenty-one".