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2021131283 is a prime number
BaseRepresentation
bin111100001111000…
…0000010000010011
312012212010002220012
41320132000100103
513114402200113
6532315505135
7101041222013
oct17036002023
95185102805
102021131283
1194796a936
12484a581ab
13262965692
141525d9c43
15bc688aa8
hex78780413

2021131283 has 2 divisors, whose sum is σ = 2021131284. Its totient is φ = 2021131282.

The previous prime is 2021131267. The next prime is 2021131303. The reversal of 2021131283 is 3821311202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021131283 - 24 = 2021131267 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021130283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010565641 + 1010565642.

It is an arithmetic number, because the mean of its divisors is an integer number (1010565642).

Almost surely, 22021131283 is an apocalyptic number.

2021131283 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021131283 is an equidigital number, since it uses as much as digits as its factorization.

2021131283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2021131283 is about 44956.9937050955. The cubic root of 2021131283 is about 1264.3428047519.

Adding to 2021131283 its reverse (3821311202), we get a palindrome (5842442485).

The spelling of 2021131283 in words is "two billion, twenty-one million, one hundred thirty-one thousand, two hundred eighty-three".