3143321 has 4 divisors (see below), whose sum is σ = 3171252. Its totient is φ = 3115392.

The previous prime is 3143299. The next prime is 3143323. The reversal of 3143321 is 1233413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1233413 = 223 ⋅5531.

It can be written as a sum of positive squares in 2 ways, for example, as 697225 + 2446096 = 835^2 + 1564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3143321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3143321.

It is not an unprimeable number, because it can be changed into a prime (3143323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13796 + ... + 14021.

It is an arithmetic number, because the mean of its divisors is an integer number (792813).

Almost surely, 2^3143321 is an apocalyptic number.

It is an amenable number.

3143321 is a deficient number, since it is larger than the sum of its proper divisors (27931).

3143321 is a wasteful number, since it uses less digits than its factorization.

3143321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27930.

The product of its digits is 216, while the sum is 17.

The square root of 3143321 is about 1772.9413413872. The cubic root of 3143321 is about 146.4860419943.

Adding to 3143321 its reverse (1233413), we get a palindrome (4376734).

The spelling of 3143321 in words is "three million, one hundred forty-three thousand, three hundred twenty-one".