3111808242 has 32 divisors (see below), whose sum is σ = 6511083264. Its totient is φ = 990435200.

The previous prime is 3111808237. The next prime is 3111808243. The reversal of 3111808242 is 2428081113.

It is not an unprimeable number, because it can be changed into a prime (3111808243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123009 + ... + 146132.

It is an arithmetic number, because the mean of its divisors is an integer number (203471352).

Almost surely, 2^3111808242 is an apocalyptic number.

3111808242 is an abundant number, since it is smaller than the sum of its proper divisors (3399275022).

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

3111808242 is a wasteful number, since it uses less digits than its factorization.

3111808242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269234.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 3111808242 is about 55783.5839831038. The cubic root of 3111808242 is about 1459.9487443694.

Adding to 3111808242 its reverse (2428081113), we get a palindrome (5539889355).

The spelling of 3111808242 in words is "three billion, one hundred eleven million, eight hundred eight thousand, two hundred forty-two".