13321313321 has 8 divisors (see below), whose sum is σ = 13649403264. Its totient is φ = 12993374880.

The previous prime is 13321313309. The next prime is 13321313323. The reversal of 13321313321 is 12331312331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13321313321 - 2¹⁰ = 13321312297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13321313323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151676 + ... + 222818.

It is an arithmetic number, because the mean of its divisors is an integer number (1706175408).

Almost surely, 2^13321313321 is an apocalyptic number.

It is an amenable number.

13321313321 is a deficient number, since it is larger than the sum of its proper divisors (328089943).

13321313321 is an equidigital number, since it uses as much as digits as its factorization.

13321313321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75751.

The product of its digits is 972, while the sum is 23.

Adding to 13321313321 its reverse (12331312331), we get a palindrome (25652625652).

The spelling of 13321313321 in words is "thirteen billion, three hundred twenty-one million, three hundred thirteen thousand, three hundred twenty-one".