311113222311112 has 16 divisors (see below), whose sum is σ = 628209391205340. Its totient is φ = 143590717989696.

The previous prime is 311113222311097. The next prime is 311113222311149. The reversal of 311113222311112 is 211113222311113.

It can be written as a sum of positive squares in 2 ways, for example, as 310276740126276 + 836482184836 = 17614674^2 + 914594^2 .

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, 1495736645623 + ... + 1495736645830.

Almost surely, 2^{311113222311112} is an apocalyptic number.

It is an amenable number.

311113222311112 is an abundant number, since it is smaller than the sum of its proper divisors (317096168894228).

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

311113222311112 is a wasteful number, since it uses less digits than its factorization.

311113222311112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991473291472 (or 2991473291468 counting only the distinct ones).

The product of its digits is 432, while the sum is 25.

Adding to 311113222311112 its reverse (211113222311113), we get a palindrome (522226444622225).

Subtracting from 311113222311112 its reverse (211113222311113), we obtain a palindrome (99999999999999).

The spelling of 311113222311112 in words is "three hundred eleven trillion, one hundred thirteen billion, two hundred twenty-two million, three hundred eleven thousand, one hundred twelve".