13202012231311 has 4 divisors (see below), whose sum is σ = 13978601186112. Its totient is φ = 12425423276512.

The previous prime is 13202012231297. The next prime is 13202012231327. The reversal of 13202012231311 is 11313221020231.

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

It is a cyclic number.

It is not a de Polignac number, because 13202012231311 - 2⁷ = 13202012231183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13202012231371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388294477375 + ... + 388294477408.

It is an arithmetic number, because the mean of its divisors is an integer number (3494650296528).

Almost surely, 2^{13202012231311} is an apocalyptic number.

13202012231311 is a deficient number, since it is larger than the sum of its proper divisors (776588954801).

13202012231311 is an equidigital number, since it uses as much as digits as its factorization.

13202012231311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776588954800.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13202012231311 its reverse (11313221020231), we get a palindrome (24515233251542).

The spelling of 13202012231311 in words is "thirteen trillion, two hundred two billion, twelve million, two hundred thirty-one thousand, three hundred eleven".