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2231230283 is a prime number
BaseRepresentation
bin1000010011111101…
…1101111101001011
312202111110020112122
42010333131331023
514032143332113
61005223001455
7106202100362
oct20477357513
95674406478
102231230283
11a45520377
1252329928b
13297347609
1417248a7d9
15d0d3a408
hex84fddf4b

2231230283 has 2 divisors, whose sum is σ = 2231230284. Its totient is φ = 2231230282.

The previous prime is 2231230271. The next prime is 2231230303. The reversal of 2231230283 is 3820321322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2231230283 - 26 = 2231230219 is a prime.

It is a super-3 number, since 3×22312302833 (a number of 29 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2231233283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115615141 + 1115615142.

It is an arithmetic number, because the mean of its divisors is an integer number (1115615142).

Almost surely, 22231230283 is an apocalyptic number.

2231230283 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231230283 is an equidigital number, since it uses as much as digits as its factorization.

2231230283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2231230283 is about 47235.9003619069. The cubic root of 2231230283 is about 1306.7167714789.

The spelling of 2231230283 in words is "two billion, two hundred thirty-one million, two hundred thirty thousand, two hundred eighty-three".