3111868542 has 8 divisors (see below), whose sum is σ = 6223737096. Its totient is φ = 1037289512.

The previous prime is 3111868541. The next prime is 3111868549. The reversal of 3111868542 is 2458681113.

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

3111868542 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3111868542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111868541) 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, 259322373 + ... + 259322384.

It is an arithmetic number, because the mean of its divisors is an integer number (777967137).

Almost surely, 2^3111868542 is an apocalyptic number.

3111868542 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.

3111868542 is a wasteful number, since it uses less digits than its factorization.

3111868542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518644762.

The product of its digits is 46080, while the sum is 39.

The square root of 3111868542 is about 55784.1244620725. The cubic root of 3111868542 is about 1459.9581745071.

The spelling of 3111868542 in words is "three billion, one hundred eleven million, eight hundred sixty-eight thousand, five hundred forty-two".