311303122222 has 8 divisors (see below), whose sum is σ = 494422605936. Its totient is φ = 146495586912.

The previous prime is 311303122217. The next prime is 311303122237. The reversal of 311303122222 is 222221303113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 311303122193 and 311303122202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4577987058 + ... + 4577987125.

It is an arithmetic number, because the mean of its divisors is an integer number (61802825742).

Almost surely, 2^311303122222 is an apocalyptic number.

311303122222 is a deficient number, since it is larger than the sum of its proper divisors (183119483714).

311303122222 is a wasteful number, since it uses less digits than its factorization.

311303122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9155974202.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 311303122222 its reverse (222221303113), we get a palindrome (533524425335).

The spelling of 311303122222 in words is "three hundred eleven billion, three hundred three million, one hundred twenty-two thousand, two hundred twenty-two".