13021300321 has 16 divisors (see below), whose sum is σ = 13509932544. Its totient is φ = 12542252544.

The previous prime is 13021300319. The next prime is 13021300333. The reversal of 13021300321 is 12300312031.

It is not a de Polignac number, because 13021300321 - 2¹ = 13021300319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13021300295 and 13021300304.

It is not an unprimeable number, because it can be changed into a prime (13021300361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1667001 + ... + 1674793.

It is an arithmetic number, because the mean of its divisors is an integer number (844370784).

Almost surely, 2^13021300321 is an apocalyptic number.

It is an amenable number.

13021300321 is a deficient number, since it is larger than the sum of its proper divisors (488632223).

13021300321 is an equidigital number, since it uses as much as digits as its factorization.

13021300321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13021300321 its reverse (12300312031), we get a palindrome (25321612352).

The spelling of 13021300321 in words is "thirteen billion, twenty-one million, three hundred thousand, three hundred twenty-one".