2142443311 has 2 divisors, whose sum is σ = 2142443312. Its totient is φ = 2142443310.

The previous prime is 2142443273. The next prime is 2142443357. The reversal of 2142443311 is 1133442412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142443311 - 2¹¹ = 2142441263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142443011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071221655 + 1071221656.

It is an arithmetic number, because the mean of its divisors is an integer number (1071221656).

Almost surely, 2^2142443311 is an apocalyptic number.

2142443311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142443311 is an equidigital number, since it uses as much as digits as its factorization.

2142443311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 2142443311 is about 46286.5348778670. The cubic root of 2142443311 is about 1289.1489912266.

Adding to 2142443311 its reverse (1133442412), we get a palindrome (3275885723).

The spelling of 2142443311 in words is "two billion, one hundred forty-two million, four hundred forty-three thousand, three hundred eleven".