311420444222 has 16 divisors (see below), whose sum is σ = 490163840640. Its totient is φ = 148108140312.

The previous prime is 311420444221. The next prime is 311420444227. The reversal of 311420444222 is 222444024113.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311420444221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18902408 + ... + 18918875.

It is an arithmetic number, because the mean of its divisors is an integer number (30635240040).

Almost surely, 2^311420444222 is an apocalyptic number.

311420444222 is a deficient number, since it is larger than the sum of its proper divisors (178743396418).

311420444222 is a wasteful number, since it uses less digits than its factorization.

311420444222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37821487.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 311420444222 its reverse (222444024113), we get a palindrome (533864468335).

The spelling of 311420444222 in words is "three hundred eleven billion, four hundred twenty million, four hundred forty-four thousand, two hundred twenty-two".