2142203311 has 2 divisors, whose sum is σ = 2142203312. Its totient is φ = 2142203310.

The previous prime is 2142203257. The next prime is 2142203347. The reversal of 2142203311 is 1133022412.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2142203311 - 2⁷ = 2142203183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142203381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071101655 + 1071101656.

It is an arithmetic number, because the mean of its divisors is an integer number (1071101656).

Almost surely, 2^2142203311 is an apocalyptic number.

2142203311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142203311 is an equidigital number, since it uses as much as digits as its factorization.

2142203311 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 2142203311 is about 46283.9422586279. The cubic root of 2142203311 is about 1289.1008519036.

Adding to 2142203311 its reverse (1133022412), we get a palindrome (3275225723).

The spelling of 2142203311 in words is "two billion, one hundred forty-two million, two hundred three thousand, three hundred eleven".