13020304311 has 32 divisors (see below), whose sum is σ = 22052889600. Its totient is φ = 7437497760.

The previous prime is 13020304289. The next prime is 13020304321. The reversal of 13020304311 is 11340302031.

13020304311 is a `hidden beast` number, since 1 + 30 + 20 + 304 + 311 = 666.

It is not a de Polignac number, because 13020304311 - 2⁶ = 13020304247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020304321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 592305 + ... + 613893.

It is an arithmetic number, because the mean of its divisors is an integer number (689152800).

Almost surely, 2^13020304311 is an apocalyptic number.

13020304311 is a deficient number, since it is larger than the sum of its proper divisors (9032585289).

13020304311 is a wasteful number, since it uses less digits than its factorization.

13020304311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24796 (or 24790 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13020304311 its reverse (11340302031), we get a palindrome (24360606342).

The spelling of 13020304311 in words is "thirteen billion, twenty million, three hundred four thousand, three hundred eleven".