323120211311 has 4 divisors (see below), whose sum is σ = 329995109472. Its totient is φ = 316245313152.

The previous prime is 323120211209. The next prime is 323120211319. The reversal of 323120211311 is 113112021323.

It is a happy number.

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 323120211311 - 2¹⁴ = 323120194927 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 (323120211319) 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, 3437449010 + ... + 3437449103.

It is an arithmetic number, because the mean of its divisors is an integer number (82498777368).

Almost surely, 2^323120211311 is an apocalyptic number.

323120211311 is a deficient number, since it is larger than the sum of its proper divisors (6874898161).

323120211311 is an equidigital number, since it uses as much as digits as its factorization.

323120211311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874898160.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 323120211311 its reverse (113112021323), we get a palindrome (436232232634).

The spelling of 323120211311 in words is "three hundred twenty-three billion, one hundred twenty million, two hundred eleven thousand, three hundred eleven".