311422042422 has 96 divisors (see below), whose sum is σ = 707396976000. Its totient is φ = 98888428800.

The previous prime is 311422042249. The next prime is 311422042439. The reversal of 311422042422 is 224240224113.

It is a happy number.

311422042422 is a `hidden beast` number, since 3 + 1 + 14 + 220 + 4 + 2 + 422 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13587172 + ... + 13610072.

It is an arithmetic number, because the mean of its divisors is an integer number (7368718500).

Almost surely, 2^311422042422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311422042422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353698488000).

311422042422 is an abundant number, since it is smaller than the sum of its proper divisors (395974933578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311422042422 is a wasteful number, since it uses less digits than its factorization.

311422042422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23286 (or 23283 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 311422042422 its reverse (224240224113), we get a palindrome (535662266535).

The spelling of 311422042422 in words is "three hundred eleven billion, four hundred twenty-two million, forty-two thousand, four hundred twenty-two".