311444334312 has 64 divisors (see below), whose sum is σ = 789431396160. Its totient is φ = 102372595200.

The previous prime is 311444334293. The next prime is 311444334359. The reversal of 311444334312 is 213433444113.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10867362 + ... + 10895982.

It is an arithmetic number, because the mean of its divisors is an integer number (12334865565).

Almost surely, 2^311444334312 is an apocalyptic number.

It is an amenable number.

311444334312 is an abundant number, since it is smaller than the sum of its proper divisors (477987061848).

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

311444334312 is a wasteful number, since it uses less digits than its factorization.

311444334312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34914 (or 34910 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

Adding to 311444334312 its reverse (213433444113), we get a palindrome (524877778425).

The spelling of 311444334312 in words is "three hundred eleven billion, four hundred forty-four million, three hundred thirty-four thousand, three hundred twelve".