2143210133 has 2 divisors, whose sum is σ = 2143210134. Its totient is φ = 2143210132.

The previous prime is 2143210129. The next prime is 2143210151. The reversal of 2143210133 is 3310123412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1864253329 + 278956804 = 43177^2 + 16702^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143210133 - 2² = 2143210129 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143210103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071605066 + 1071605067.

It is an arithmetic number, because the mean of its divisors is an integer number (1071605067).

Almost surely, 2^2143210133 is an apocalyptic number.

It is an amenable number.

2143210133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143210133 is an equidigital number, since it uses as much as digits as its factorization.

2143210133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2143210133 is about 46294.8175609322. The cubic root of 2143210133 is about 1289.3027766867.

Adding to 2143210133 its reverse (3310123412), we get a palindrome (5453333545).

The spelling of 2143210133 in words is "two billion, one hundred forty-three million, two hundred ten thousand, one hundred thirty-three".