2142303211 has 2 divisors, whose sum is σ = 2142303212. Its totient is φ = 2142303210.

The previous prime is 2142303209. The next prime is 2142303239. The reversal of 2142303211 is 1123032412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142303211 - 2¹ = 2142303209 is a prime.

Together with 2142303209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2142303311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071151605 + 1071151606.

It is an arithmetic number, because the mean of its divisors is an integer number (1071151606).

Almost surely, 2^2142303211 is an apocalyptic number.

2142303211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142303211 is an equidigital number, since it uses as much as digits as its factorization.

2142303211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2142303211 is about 46285.0214540298. The cubic root of 2142303211 is about 1289.1208903336.

Adding to 2142303211 its reverse (1123032412), we get a palindrome (3265335623).

The spelling of 2142303211 in words is "two billion, one hundred forty-two million, three hundred three thousand, two hundred eleven".