13313000435221 has 16 divisors (see below), whose sum is σ = 13586844749184. Its totient is φ = 13040008547904.

The previous prime is 13313000435179. The next prime is 13313000435239. The reversal of 13313000435221 is 12253400031331.

13313000435221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13313000435221 - 2⁹ = 13313000434709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13313000435221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313000435261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106592616 + ... + 106717438.

It is an arithmetic number, because the mean of its divisors is an integer number (849177796824).

Almost surely, 2^{13313000435221} is an apocalyptic number.

It is an amenable number.

13313000435221 is a deficient number, since it is larger than the sum of its proper divisors (273844313963).

13313000435221 is a wasteful number, since it uses less digits than its factorization.

13313000435221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128220.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 13313000435221 its reverse (12253400031331), we get a palindrome (25566400466552).

The spelling of 13313000435221 in words is "thirteen trillion, three hundred thirteen billion, four hundred thirty-five thousand, two hundred twenty-one".