3103218 has 16 divisors (see below), whose sum is σ = 6896160. Its totient is φ = 1034388.

The previous prime is 3103211. The next prime is 3103237. The reversal of 3103218 is 8123013.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3103218.

It is not an unprimeable number, because it can be changed into a prime (3103211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28680 + ... + 28787.

It is an arithmetic number, because the mean of its divisors is an integer number (431010).

Almost surely, 2^3103218 is an apocalyptic number.

3103218 is an abundant number, since it is smaller than the sum of its proper divisors (3792942).

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

3103218 is a wasteful number, since it uses less digits than its factorization.

3103218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57478 (or 57472 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 3103218 is about 1761.5952997212. The cubic root of 3103218 is about 145.8604095213.

It can be divided in two parts, 3103 and 218, that added together give a triangular number (3321 = T₈₁).

The spelling of 3103218 in words is "three million, one hundred three thousand, two hundred eighteen".