311112444142211 has 4 divisors (see below), whose sum is σ = 311134128999672. Its totient is φ = 311090759284752.

The previous prime is 311112444142153. The next prime is 311112444142309. The reversal of 311112444142211 is 112241444211113.

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 311112444142211 - 2⁶ = 311112444142147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311112444142711) 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, 10842407210 + ... + 10842435903.

It is an arithmetic number, because the mean of its divisors is an integer number (77783532249918).

Almost surely, 2^{311112444142211} is an apocalyptic number.

311112444142211 is a deficient number, since it is larger than the sum of its proper divisors (21684857461).

311112444142211 is a wasteful number, since it uses less digits than its factorization.

311112444142211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21684857460.

The product of its digits is 6144, while the sum is 32.

Adding to 311112444142211 its reverse (112241444211113), we get a palindrome (423353888353324).

The spelling of 311112444142211 in words is "three hundred eleven trillion, one hundred twelve billion, four hundred forty-four million, one hundred forty-two thousand, two hundred eleven".