3171143 has 2 divisors, whose sum is σ = 3171144. Its totient is φ = 3171142.

The previous prime is 3171131. The next prime is 3171187. The reversal of 3171143 is 3411713.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3171143 - 2⁸ = 3170887 is a prime.

It is a super-4 number, since 4×3171143⁴ (a number of 27 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is equal to p₂₂₈₂₆₀ and since 3171143 and 228260 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3171743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1585571 + 1585572.

It is an arithmetic number, because the mean of its divisors is an integer number (1585572).

Almost surely, 2^3171143 is an apocalyptic number.

3171143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3171143 is an equidigital number, since it uses as much as digits as its factorization.

3171143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252, while the sum is 20.

The square root of 3171143 is about 1780.7703389264. The cubic root of 3171143 is about 146.9169629909.

Adding to 3171143 its reverse (3411713), we get a palindrome (6582856).

The spelling of 3171143 in words is "three million, one hundred seventy-one thousand, one hundred forty-three".