311100111220323 has 4 divisors (see below), whose sum is σ = 414800148293768. Its totient is φ = 207400074146880.

The previous prime is 311100111220321. The next prime is 311100111220343. The reversal of 311100111220323 is 323022111001113.

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

It is not a de Polignac number, because 311100111220323 - 2¹ = 311100111220321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311100111220323.

It is not an unprimeable number, because it can be changed into a prime (311100111220321) 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, 51850018536718 + ... + 51850018536723.

It is an arithmetic number, because the mean of its divisors is an integer number (103700037073442).

Almost surely, 2^{311100111220323} is an apocalyptic number.

311100111220323 is a deficient number, since it is larger than the sum of its proper divisors (103700037073445).

311100111220323 is a wasteful number, since it uses less digits than its factorization.

311100111220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103700037073444.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 311100111220323 its reverse (323022111001113), we get a palindrome (634122222221436).

The spelling of 311100111220323 in words is "three hundred eleven trillion, one hundred billion, one hundred eleven million, two hundred twenty thousand, three hundred twenty-three".