3123318 has 32 divisors (see below), whose sum is σ = 7004160. Its totient is φ = 920160.

The previous prime is 3123317. The next prime is 3123349. The reversal of 3123318 is 8133213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3123294 and 3123303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123317) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1803 + ... + 3081.

It is an arithmetic number, because the mean of its divisors is an integer number (218880).

Almost surely, 2^3123318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3123318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3502080).

3123318 is an abundant number, since it is smaller than the sum of its proper divisors (3880842).

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

3123318 is a wasteful number, since it uses less digits than its factorization.

3123318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332.

The product of its digits is 432, while the sum is 21.

The square root of 3123318 is about 1767.2911474910. The cubic root of 3123318 is about 146.1746518147.

Adding to 3123318 its product of digits (432), we get a triangular number (3123750 = T₂₄₉₉).

It can be divided in two parts, 3 and 123318, that added together give a palindrome (123321).

The spelling of 3123318 in words is "three million, one hundred twenty-three thousand, three hundred eighteen".