3147143 has 2 divisors, whose sum is σ = 3147144. Its totient is φ = 3147142.

The previous prime is 3147121. The next prime is 3147149. The reversal of 3147143 is 3417413.

It is a strong prime.

It is an emirp because it is prime and its reverse (3417413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3147143 - 2¹⁴ = 3130759 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3147149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1573571 + 1573572.

It is an arithmetic number, because the mean of its divisors is an integer number (1573572).

Almost surely, 2^3147143 is an apocalyptic number.

3147143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3147143 is an equidigital number, since it uses as much as digits as its factorization.

3147143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 23.

The square root of 3147143 is about 1774.0188837777. The cubic root of 3147143 is about 146.5453892991.

It can be divided in two parts, 31 and 47143, that added together give a palindrome (47174).

The spelling of 3147143 in words is "three million, one hundred forty-seven thousand, one hundred forty-three".