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2231048591 is a prime number
BaseRepresentation
bin1000010011111011…
…0001100110001111
312202111010000022022
42010332301212033
514032122023331
61005215040355
7106200412562
oct20476614617
95674100268
102231048591
11a45406912
125232100bb
132972b29c5
141724404d9
15d0d0167b
hex84fb198f

2231048591 has 2 divisors, whose sum is σ = 2231048592. Its totient is φ = 2231048590.

The previous prime is 2231048563. The next prime is 2231048623. The reversal of 2231048591 is 1958401322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2231048591 - 26 = 2231048527 is a prime.

It is a super-3 number, since 3×22310485913 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231047591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115524295 + 1115524296.

It is an arithmetic number, because the mean of its divisors is an integer number (1115524296).

Almost surely, 22231048591 is an apocalyptic number.

2231048591 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231048591 is an equidigital number, since it uses as much as digits as its factorization.

2231048591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 2231048591 is about 47233.9770821810. The cubic root of 2231048591 is about 1306.6813012976.

The spelling of 2231048591 in words is "two billion, two hundred thirty-one million, forty-eight thousand, five hundred ninety-one".