2143134211 has 4 divisors (see below), whose sum is σ = 2143226800. Its totient is φ = 2143041624.

The previous prime is 2143134209. The next prime is 2143134229. The reversal of 2143134211 is 1124313412.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2143134211 - 2¹ = 2143134209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143134011) 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, 23125 + ... + 69433.

It is an arithmetic number, because the mean of its divisors is an integer number (535806700).

Almost surely, 2^2143134211 is an apocalyptic number.

2143134211 is a deficient number, since it is larger than the sum of its proper divisors (92589).

2143134211 is an equidigital number, since it uses as much as digits as its factorization.

2143134211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92588.

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

The square root of 2143134211 is about 46293.9975698794. The cubic root of 2143134211 is about 1289.2875522344.

Adding to 2143134211 its reverse (1124313412), we get a palindrome (3267447623).

The spelling of 2143134211 in words is "two billion, one hundred forty-three million, one hundred thirty-four thousand, two hundred eleven".