13331300321 has 4 divisors (see below), whose sum is σ = 13331534532. Its totient is φ = 13331066112.

The previous prime is 13331300293. The next prime is 13331300399. The reversal of 13331300321 is 12300313331.

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 3324099025 + 10007201296 = 57655^2 + 100036^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13331300321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13331300293 and 13331300302.

It is not an unprimeable number, because it can be changed into a prime (13331302321) 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, 29225 + ... + 165881.

It is an arithmetic number, because the mean of its divisors is an integer number (3332883633).

Almost surely, 2^13331300321 is an apocalyptic number.

It is an amenable number.

13331300321 is a deficient number, since it is larger than the sum of its proper divisors (234211).

13331300321 is an equidigital number, since it uses as much as digits as its factorization.

13331300321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234210.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 13331300321 its reverse (12300313331), we get a palindrome (25631613652).

The spelling of 13331300321 in words is "thirteen billion, three hundred thirty-one million, three hundred thousand, three hundred twenty-one".