13313221322113 has 4 divisors (see below), whose sum is σ = 13435360967380. Its totient is φ = 13191081676848.

The previous prime is 13313221322087. The next prime is 13313221322117. The reversal of 13313221322113 is 31122312231331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3325017312369 + 9988204009744 = 1823463^2 + 3160412^2 .

It is a cyclic number.

It is not a de Polignac number, because 13313221322113 - 2⁵ = 13313221322081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13313221322117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61069822470 + ... + 61069822687.

It is an arithmetic number, because the mean of its divisors is an integer number (3358840241845).

Almost surely, 2^{13313221322113} is an apocalyptic number.

It is an amenable number.

13313221322113 is a deficient number, since it is larger than the sum of its proper divisors (122139645267).

13313221322113 is a wasteful number, since it uses less digits than its factorization.

13313221322113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122139645266.

The product of its digits is 3888, while the sum is 28.

Adding to 13313221322113 its reverse (31122312231331), we get a palindrome (44435533553444).

The spelling of 13313221322113 in words is "thirteen trillion, three hundred thirteen billion, two hundred twenty-one million, three hundred twenty-two thousand, one hundred thirteen".