13311303332321 has 4 divisors (see below), whose sum is σ = 13311349530132. Its totient is φ = 13311257134512.

The previous prime is 13311303332311. The next prime is 13311303332363. The reversal of 13311303332321 is 12323330311331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9233326972321 + 4077976360000 = 3038639^2 + 2019400^2 .

It is a cyclic number.

It is not a de Polignac number, because 13311303332321 - 2¹⁰ = 13311303331297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13311303332311) 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, 22663970 + ... + 23243883.

It is an arithmetic number, because the mean of its divisors is an integer number (3327837382533).

Almost surely, 2^{13311303332321} is an apocalyptic number.

It is an amenable number.

13311303332321 is a deficient number, since it is larger than the sum of its proper divisors (46197811).

13311303332321 is an equidigital number, since it uses as much as digits as its factorization.

13311303332321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46197810.

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 13311303332321 its reverse (12323330311331), we get a palindrome (25634633643652).

The spelling of 13311303332321 in words is "thirteen trillion, three hundred eleven billion, three hundred three million, three hundred thirty-two thousand, three hundred twenty-one".