3111242 has 8 divisors (see below), whose sum is σ = 4685796. Its totient is φ = 1549312.

The previous prime is 3111223. The next prime is 3111271. The reversal of 3111242 is 2421113.

It can be written as a sum of positive squares in 2 ways, for example, as 3094081 + 17161 = 1759^2 + 131^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513 + ... + 3540.

Almost surely, 2^3111242 is an apocalyptic number.

3111242 is a deficient number, since it is larger than the sum of its proper divisors (1574554).

3111242 is a wasteful number, since it uses less digits than its factorization.

3111242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312.

The product of its digits is 48, while the sum is 14.

The square root of 3111242 is about 1763.8713104986. The cubic root of 3111242 is about 145.9860185523.

Adding to 3111242 its reverse (2421113), we get a palindrome (5532355).

The spelling of 3111242 in words is "three million, one hundred eleven thousand, two hundred forty-two".