13313213132221 has 8 divisors (see below), whose sum is σ = 13370441444064. Its totient is φ = 13256107235280.

The previous prime is 13313213132201. The next prime is 13313213132239. The reversal of 13313213132221 is 12223131231331.

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 13313213132221 - 2¹⁷ = 13313213001149 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 13313213132221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313213132201) 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, 30385746 + ... + 30820771.

It is an arithmetic number, because the mean of its divisors is an integer number (1671305180508).

Almost surely, 2^{13313213132221} is an apocalyptic number.

It is an amenable number.

13313213132221 is a deficient number, since it is larger than the sum of its proper divisors (57228311843).

13313213132221 is an equidigital number, since it uses as much as digits as its factorization.

13313213132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61207451.

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

Adding to 13313213132221 its reverse (12223131231331), we get a palindrome (25536344363552).

The spelling of 13313213132221 in words is "thirteen trillion, three hundred thirteen billion, two hundred thirteen million, one hundred thirty-two thousand, two hundred twenty-one".