13211203212313 has 8 divisors (see below), whose sum is σ = 13546682795016. Its totient is φ = 12876354825600.

The previous prime is 13211203212293. The next prime is 13211203212349. The reversal of 13211203212313 is 31321230211231.

It can be written as a sum of positive squares in 4 ways, for example, as 2222329599504 + 10988873612809 = 1490748^2 + 3314947^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13211203212313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13211203212373) 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, 157756606 + ... + 157840327.

It is an arithmetic number, because the mean of its divisors is an integer number (1693335349377).

Almost surely, 2^{13211203212313} is an apocalyptic number.

It is an amenable number.

13211203212313 is a deficient number, since it is larger than the sum of its proper divisors (335479582703).

13211203212313 is a wasteful number, since it uses less digits than its factorization.

13211203212313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315597995.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13211203212313 its reverse (31321230211231), we get a palindrome (44532433423544).

The spelling of 13211203212313 in words is "thirteen trillion, two hundred eleven billion, two hundred three million, two hundred twelve thousand, three hundred thirteen".