2143143211 has 8 divisors (see below), whose sum is σ = 2339564544. Its totient is φ = 1946986920.

The previous prime is 2143143187. The next prime is 2143143241. The reversal of 2143143211 is 1123413412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2143143211 - 2⁵ = 2143143179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143143241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49155 + ... + 81868.

It is an arithmetic number, because the mean of its divisors is an integer number (292445568).

Almost surely, 2^2143143211 is an apocalyptic number.

2143143211 is a deficient number, since it is larger than the sum of its proper divisors (196421333).

2143143211 is a wasteful number, since it uses less digits than its factorization.

2143143211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132521.

The product of its digits is 576, while the sum is 22.

The square root of 2143143211 is about 46294.0947746038. The cubic root of 2143143211 is about 1289.2893570011.

Adding to 2143143211 its reverse (1123413412), we get a palindrome (3266556623).

The spelling of 2143143211 in words is "two billion, one hundred forty-three million, one hundred forty-three thousand, two hundred eleven".