13000201321 has 8 divisors (see below), whose sum is σ = 13321564200. Its totient is φ = 12679042560.

The previous prime is 13000201241. The next prime is 13000201373. The reversal of 13000201321 is 12310200031.

It can be written as a sum of positive squares in 4 ways, for example, as 358572096 + 12641629225 = 18936^2 + 112435^2 .

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 13000201321 - 2⁹ = 13000200809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13000201421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82165 + ... + 180973.

It is an arithmetic number, because the mean of its divisors is an integer number (1665195525).

Almost surely, 2^13000201321 is an apocalyptic number.

It is an amenable number.

13000201321 is a deficient number, since it is larger than the sum of its proper divisors (321362879).

13000201321 is an equidigital number, since it uses as much as digits as its factorization.

13000201321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102059.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13000201321 its reverse (12310200031), we get a palindrome (25310401352).

The spelling of 13000201321 in words is "thirteen billion, two hundred one thousand, three hundred twenty-one".