3231144 has 64 divisors (see below), whose sum is σ = 10262400. Its totient is φ = 922752.

The previous prime is 3231143. The next prime is 3231187. The reversal of 3231144 is 4411323.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444 + ... + 2580.

It is an arithmetic number, because the mean of its divisors is an integer number (160350).

Almost surely, 2^3231144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3231144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5131200).

3231144 is an abundant number, since it is smaller than the sum of its proper divisors (7031256).

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

3231144 is a wasteful number, since it uses less digits than its factorization.

3231144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159 (or 2149 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 3231144 is about 1797.5383166987. The cubic root of 3231144 is about 147.8377818439.

Adding to 3231144 its reverse (4411323), we get a palindrome (7642467).

It can be divided in two parts, 3231 and 144, that added together give a cube (3375 = 15³).

The spelling of 3231144 in words is "three million, two hundred thirty-one thousand, one hundred forty-four".