3111312344442 has 8 divisors (see below), whose sum is σ = 6222624688896. Its totient is φ = 1037104114812.

The previous prime is 3111312344429. The next prime is 3111312344449. The reversal of 3111312344442 is 2444432131113.

It is a happy number.

3111312344442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

3111312344442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3111312344449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259276028698 + ... + 259276028709.

It is an arithmetic number, because the mean of its divisors is an integer number (777828086112).

Almost surely, 2^{3111312344442} is an apocalyptic number.

3111312344442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3111312344442 is a wasteful number, since it uses less digits than its factorization.

3111312344442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518552057412.

The product of its digits is 27648, while the sum is 33.

Adding to 3111312344442 its reverse (2444432131113), we get a palindrome (5555744475555).

The spelling of 3111312344442 in words is "three trillion, one hundred eleven billion, three hundred twelve million, three hundred forty-four thousand, four hundred forty-two".