3111021242 has 32 divisors (see below), whose sum is σ = 5461644672. Its totient is φ = 1301436864.

The previous prime is 3111021223. The next prime is 3111021269. The reversal of 3111021242 is 2421201113.

It is a self number, because there is not a number n which added to its sum of digits gives 3111021242.

It is an unprimeable number.

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, 135533 + ... + 156815.

It is an arithmetic number, because the mean of its divisors is an integer number (170676396).

Almost surely, 2^3111021242 is an apocalyptic number.

3111021242 is a deficient number, since it is larger than the sum of its proper divisors (2350623430).

3111021242 is a wasteful number, since it uses less digits than its factorization.

3111021242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21542.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 3111021242 is about 55776.5294904586. The cubic root of 3111021242 is about 1459.8256566073.

Adding to 3111021242 its reverse (2421201113), we get a palindrome (5532222355).

The spelling of 3111021242 in words is "three billion, one hundred eleven million, twenty-one thousand, two hundred forty-two".