3111172 has 12 divisors (see below), whose sum is σ = 5510736. Its totient is φ = 1536680.

The previous prime is 3111169. The next prime is 3111197. The reversal of 3111172 is 2711113.

3111172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4354 + ... + 5017.

It is an arithmetic number, because the mean of its divisors is an integer number (459228).

Almost surely, 2^3111172 is an apocalyptic number.

It is an amenable number.

3111172 is a deficient number, since it is larger than the sum of its proper divisors (2399564).

3111172 is a wasteful number, since it uses less digits than its factorization.

3111172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9458 (or 9456 counting only the distinct ones).

The product of its digits is 42, while the sum is 16.

The square root of 3111172 is about 1763.8514676695. The cubic root of 3111172 is about 145.9849236950.

Adding to 3111172 its reverse (2711113), we get a palindrome (5822285).

The spelling of 3111172 in words is "three million, one hundred eleven thousand, one hundred seventy-two".