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2143210133 is a prime number
BaseRepresentation
bin111111110111110…
…1100101010010101
312112100211100121002
41333233230222111
513342130211013
6552400233045
7104052662021
oct17757545225
95470740532
102143210133
119aa871549
124b990b785
1328203989c
141648d7381
15c8250358
hex7fbeca95

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, 22143210133 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".