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2144043431 is a prime number
BaseRepresentation
bin111111111001011…
…1000000110100111
312112102101200122222
41333302320012213
513342333342211
6552430142555
7104063032325
oct17762700647
95472350588
102144043431
11a00290622
124ba051a5b
1328226bc6a
14164a72d15
15c83671db
hex7fcb81a7

2144043431 has 2 divisors, whose sum is σ = 2144043432. Its totient is φ = 2144043430.

The previous prime is 2144043401. The next prime is 2144043437. The reversal of 2144043431 is 1343404412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2144043431 - 214 = 2144027047 is a prime.

It is a super-2 number, since 2×21440434312 = 9193844468028503522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2144043431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144043437) 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, 1072021715 + 1072021716.

It is an arithmetic number, because the mean of its divisors is an integer number (1072021716).

Almost surely, 22144043431 is an apocalyptic number.

2144043431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144043431 is an equidigital number, since it uses as much as digits as its factorization.

2144043431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 2144043431 is about 46303.8165921558. The cubic root of 2144043431 is about 1289.4698522645.

Adding to 2144043431 its reverse (1343404412), we get a palindrome (3487447843).

The spelling of 2144043431 in words is "two billion, one hundred forty-four million, forty-three thousand, four hundred thirty-one".