311113312020211 has 16 divisors (see below), whose sum is σ = 327616482816000. Its totient is φ = 294623028928800.

The previous prime is 311113312020193. The next prime is 311113312020331. The reversal of 311113312020211 is 112020213311113.

It is a cyclic number.

It is not a de Polignac number, because 311113312020211 - 2²⁵ = 311113278465779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311113312020611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1384465740 + ... + 1384690438.

It is an arithmetic number, because the mean of its divisors is an integer number (20476030176000).

Almost surely, 2^{311113312020211} is an apocalyptic number.

311113312020211 is a deficient number, since it is larger than the sum of its proper divisors (16503170795789).

311113312020211 is a wasteful number, since it uses less digits than its factorization.

311113312020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253050.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 311113312020211 its reverse (112020213311113), we get a palindrome (423133525331324).

The spelling of 311113312020211 in words is "three hundred eleven trillion, one hundred thirteen billion, three hundred twelve million, twenty thousand, two hundred eleven".