311222000222113 has 4 divisors (see below), whose sum is σ = 316496949378480. Its totient is φ = 305947051065748.

The previous prime is 311222000222051. The next prime is 311222000222129.

311222000222113 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311222000222113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311222000222513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2637474578095 + ... + 2637474578212.

It is an arithmetic number, because the mean of its divisors is an integer number (79124237344620).

Almost surely, 2^{311222000222113} is an apocalyptic number.

It is an amenable number.

311222000222113 is a deficient number, since it is larger than the sum of its proper divisors (5274949156367).

311222000222113 is an equidigital number, since it uses as much as digits as its factorization.

311222000222113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274949156366.

The product of its (nonzero) digits is 576, while the sum is 22.

It can be divided in two parts, 311222000 and 222113, that added together give a palindrome (311444113).

The spelling of 311222000222113 in words is "three hundred eleven trillion, two hundred twenty-two billion, two hundred twenty-two thousand, one hundred thirteen".