13502304013321 has 16 divisors (see below), whose sum is σ = 13609358078400. Its totient is φ = 13395592541248.

The previous prime is 13502304013307. The next prime is 13502304013339. The reversal of 13502304013321 is 12331040320531.

It is a cyclic number.

It is not a de Polignac number, because 13502304013321 - 2⁷ = 13502304013193 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 13502304013321.

It is not an unprimeable number, because it can be changed into a prime (13502304013621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776565990 + ... + 776583376.

It is an arithmetic number, because the mean of its divisors is an integer number (850584879900).

Almost surely, 2^{13502304013321} is an apocalyptic number.

It is an amenable number.

13502304013321 is a deficient number, since it is larger than the sum of its proper divisors (107054065079).

13502304013321 is a wasteful number, since it uses less digits than its factorization.

13502304013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26888.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 13502304013321 its reverse (12331040320531), we get a palindrome (25833344333852).

The spelling of 13502304013321 in words is "thirteen trillion, five hundred two billion, three hundred four million, thirteen thousand, three hundred twenty-one".