3201143 has 4 divisors (see below), whose sum is σ = 3492168. Its totient is φ = 2910120.

The previous prime is 3201131. The next prime is 3201161. The reversal of 3201143 is 3411023.

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 3201143 - 2¹⁶ = 3135607 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 (3201103) 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, 145496 + ... + 145517.

It is an arithmetic number, because the mean of its divisors is an integer number (873042).

Almost surely, 2^3201143 is an apocalyptic number.

3201143 is a deficient number, since it is larger than the sum of its proper divisors (291025).

3201143 is a wasteful number, since it uses less digits than its factorization.

3201143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291024.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3201143 is about 1789.1738316888. The cubic root of 3201143 is about 147.3788030571.

Adding to 3201143 its reverse (3411023), we get a palindrome (6612166).

The spelling of 3201143 in words is "three million, two hundred one thousand, one hundred forty-three".