3111111442 has 8 divisors (see below), whose sum is σ = 4667446476. Its totient is φ = 1555295952.

The previous prime is 3111111439. The next prime is 3111111449. The reversal of 3111111442 is 2441111113.

It can be written as a sum of positive squares in 2 ways, for example, as 2827155241 + 283956201 = 53171^2 + 16851^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3111111449) 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, 114553 + ... + 139084.

Almost surely, 2^3111111442 is an apocalyptic number.

3111111442 is a deficient number, since it is larger than the sum of its proper divisors (1556335034).

3111111442 is a wasteful number, since it uses less digits than its factorization.

3111111442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259772.

The product of its digits is 96, while the sum is 19.

The square root of 3111111442 is about 55777.3380684306. The cubic root of 3111111442 is about 1459.8397650508.

Adding to 3111111442 its reverse (2441111113), we get a palindrome (5552222555).

The spelling of 3111111442 in words is "three billion, one hundred eleven million, one hundred eleven thousand, four hundred forty-two".