311440422222112 has 24 divisors (see below), whose sum is σ = 614182308237036. Its totient is φ = 155457613780992.

The previous prime is 311440422222109. The next prime is 311440422222133. The reversal of 311440422222112 is 211222224044113.

It can be written as a sum of positive squares in 2 ways, for example, as 265205263695376 + 46235158526736 = 16285124^2 + 6799644^2 .

It is an unprimeable number.

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, 8206147293 + ... + 8206185244.

Almost surely, 2^{311440422222112} is an apocalyptic number.

311440422222112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

311440422222112 is a deficient number, since it is larger than the sum of its proper divisors (302741886014924).

311440422222112 is a wasteful number, since it uses less digits than its factorization.

311440422222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16412333140 (or 16412333132 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 311440422222112 its reverse (211222224044113), we get a palindrome (522662646266225).

The spelling of 311440422222112 in words is "three hundred eleven trillion, four hundred forty billion, four hundred twenty-two million, two hundred twenty-two thousand, one hundred twelve".