13001323033321 has 12 divisors (see below), whose sum is σ = 15127721645520. Its totient is φ = 11141240077800.

The previous prime is 13001323033313. The next prime is 13001323033393. The reversal of 13001323033321 is 12333032310031.

It is not a de Polignac number, because 13001323033321 - 2³ = 13001323033313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13001323033021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32550591 + ... + 32947588.

It is an arithmetic number, because the mean of its divisors is an integer number (1260643470460).

Almost surely, 2^{13001323033321} is an apocalyptic number.

It is an amenable number.

13001323033321 is a deficient number, since it is larger than the sum of its proper divisors (2126398612199).

13001323033321 is an equidigital number, since it uses as much as digits as its factorization.

13001323033321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65502244 (or 65502237 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 13001323033321 its reverse (12333032310031), we get a palindrome (25334355343352).

The spelling of 13001323033321 in words is "thirteen trillion, one billion, three hundred twenty-three million, thirty-three thousand, three hundred twenty-one".