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2131304143 is a prime number
BaseRepresentation
bin111111100001001…
…0001111011001111
312111112102110122111
41333002101323033
513331103213033
6551253124451
7103546533463
oct17702217317
95445373574
102131304143
119a407a391
124b5929727
1327c72b617
141630b84a3
15c719c7cd
hex7f091ecf

2131304143 has 2 divisors, whose sum is σ = 2131304144. Its totient is φ = 2131304142.

The previous prime is 2131304117. The next prime is 2131304179. The reversal of 2131304143 is 3414031312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2131304143 - 229 = 1594433231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131304113) 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, 1065652071 + 1065652072.

It is an arithmetic number, because the mean of its divisors is an integer number (1065652072).

Almost surely, 22131304143 is an apocalyptic number.

2131304143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131304143 is an equidigital number, since it uses as much as digits as its factorization.

2131304143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2131304143 is about 46166.0496793910. The cubic root of 2131304143 is about 1286.9108913016.

Adding to 2131304143 its reverse (3414031312), we get a palindrome (5545335455).

The spelling of 2131304143 in words is "two billion, one hundred thirty-one million, three hundred four thousand, one hundred forty-three".