13320202444313 has 8 divisors (see below), whose sum is σ = 13573221985800. Its totient is φ = 13067245679488.

The previous prime is 13320202444271. The next prime is 13320202444333. The reversal of 13320202444313 is 31344420202331.

It can be written as a sum of positive squares in 4 ways, for example, as 6451127568649 + 6869074875664 = 2539907^2 + 2620892^2 .

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 13320202444313 - 2⁶ = 13320202444249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13320202444313.

It is not an unprimeable number, because it can be changed into a prime (13320202444333) 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, 15265658 + ... + 16114611.

It is an arithmetic number, because the mean of its divisors is an integer number (1696652748225).

Almost surely, 2^{13320202444313} is an apocalyptic number.

It is an amenable number.

13320202444313 is a deficient number, since it is larger than the sum of its proper divisors (253019541487).

13320202444313 is an equidigital number, since it uses as much as digits as its factorization.

13320202444313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31388331.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 13320202444313 its reverse (31344420202331), we get a palindrome (44664622646644).

The spelling of 13320202444313 in words is "thirteen trillion, three hundred twenty billion, two hundred two million, four hundred forty-four thousand, three hundred thirteen".