3111140 has 12 divisors (see below), whose sum is σ = 6533436. Its totient is φ = 1244448.

The previous prime is 3111137. The next prime is 3111151. The reversal of 3111140 is 411113.

It can be written as a sum of positive squares in 2 ways, for example, as 1909924 + 1201216 = 1382^2 + 1096^2 .

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, 77759 + ... + 77798.

It is an arithmetic number, because the mean of its divisors is an integer number (544453).

Almost surely, 2^3111140 is an apocalyptic number.

It is an amenable number.

3111140 is an abundant number, since it is smaller than the sum of its proper divisors (3422296).

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

3111140 is a wasteful number, since it uses less digits than its factorization.

3111140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155566 (or 155564 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 3111140 is about 1763.8423965876. The cubic root of 3111140 is about 145.9844231833.

Adding to 3111140 its reverse (411113), we get a palindrome (3522253).

The spelling of 3111140 in words is "three million, one hundred eleven thousand, one hundred forty".