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4131143281 is a prime number
BaseRepresentation
bin1111011000111100…
…0011111001110001
3101122220110211012201
43312033003321301
531430033041111
61521532423201
7204242065336
oct36617037161
911586424181
104131143281
11182aa17101
12973617b01
1350ab4a6a5
142b293098d
15192a2c6c1
hexf63c3e71

4131143281 has 2 divisors, whose sum is σ = 4131143282. Its totient is φ = 4131143280.

The previous prime is 4131143279. The next prime is 4131143311. The reversal of 4131143281 is 1823411314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2264903281 + 1866240000 = 47591^2 + 43200^2 .

It is a cyclic number.

It is not a de Polignac number, because 4131143281 - 21 = 4131143279 is a prime.

It is a super-2 number, since 2×41311432812 = 34132689616302889922, which contains 22 as substring.

Together with 4131143279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4131143581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2065571640 + 2065571641.

It is an arithmetic number, because the mean of its divisors is an integer number (2065571641).

Almost surely, 24131143281 is an apocalyptic number.

It is an amenable number.

4131143281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4131143281 is an equidigital number, since it uses as much as digits as its factorization.

4131143281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 28.

The square root of 4131143281 is about 64273.9704779470. The cubic root of 4131143281 is about 1604.5629230104.

Adding to 4131143281 its reverse (1823411314), we get a palindrome (5954554595).

The spelling of 4131143281 in words is "four billion, one hundred thirty-one million, one hundred forty-three thousand, two hundred eighty-one".