3144320143 has 4 divisors (see below), whose sum is σ = 3149965800. Its totient is φ = 3138674488.

The previous prime is 3144320141. The next prime is 3144320149. The reversal of 3144320143 is 3410234413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3144320143 - 2¹ = 3144320141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144320141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2821993 + ... + 2823106.

It is an arithmetic number, because the mean of its divisors is an integer number (787491450).

Almost surely, 2^3144320143 is an apocalyptic number.

3144320143 is a deficient number, since it is larger than the sum of its proper divisors (5645657).

3144320143 is an equidigital number, since it uses as much as digits as its factorization.

3144320143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645656.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 3144320143 is about 56074.2377834956. The cubic root of 3144320143 is about 1465.0156114307.

Adding to 3144320143 its reverse (3410234413), we get a palindrome (6554554556).

The spelling of 3144320143 in words is "three billion, one hundred forty-four million, three hundred twenty thousand, one hundred forty-three".