13500320201 has 2 divisors, whose sum is σ = 13500320202. Its totient is φ = 13500320200.

The previous prime is 13500320179. The next prime is 13500320213. The reversal of 13500320201 is 10202300531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10613944576 + 2886375625 = 103024^2 + 53725^2 .

It is a cyclic number.

It is not a de Polignac number, because 13500320201 - 2⁶ = 13500320137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13500320201.

It is not a weakly prime, because it can be changed into another prime (13500320221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6750160100 + 6750160101.

It is an arithmetic number, because the mean of its divisors is an integer number (6750160101).

Almost surely, 2^13500320201 is an apocalyptic number.

It is an amenable number.

13500320201 is a deficient number, since it is larger than the sum of its proper divisors (1).

13500320201 is an equidigital number, since it uses as much as digits as its factorization.

13500320201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 13500320201 its reverse (10202300531), we get a palindrome (23702620732).

The spelling of 13500320201 in words is "thirteen billion, five hundred million, three hundred twenty thousand, two hundred one".