13015203211 has 4 divisors (see below), whose sum is σ = 13034953800. Its totient is φ = 12995452624.

The previous prime is 13015203209. The next prime is 13015203217. The reversal of 13015203211 is 11230251031.

13015203211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13015203211 - 2¹ = 13015203209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13015203217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9874306 + ... + 9875623.

It is an arithmetic number, because the mean of its divisors is an integer number (3258738450).

Almost surely, 2^13015203211 is an apocalyptic number.

13015203211 is a deficient number, since it is larger than the sum of its proper divisors (19750589).

13015203211 is an equidigital number, since it uses as much as digits as its factorization.

13015203211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19750588.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 13015203211 its reverse (11230251031), we get a palindrome (24245454242).

The spelling of 13015203211 in words is "thirteen billion, fifteen million, two hundred three thousand, two hundred eleven".