Base | Representation |
---|---|
bin | 1101110010001010101011… |
… | …01101100011100001011011 |
3 | 10222022201001020212020021011 |
4 | 12321011111231203201123 |
5 | 12433103433141310321 |
6 | 144244405200354351 |
7 | 6245620246522135 |
oct | 671052555434133 |
9 | 128281036766234 |
10 | 30311022213211 |
11 | 9726917918273 |
12 | 34965900159b7 |
13 | 13bb4179720bc |
14 | 76b0c0302055 |
15 | 3786d4e63ae1 |
hex | 1b9155b6385b |
30311022213211 has 2 divisors, whose sum is σ = 30311022213212. Its totient is φ = 30311022213210.
The previous prime is 30311022213209. The next prime is 30311022213239. The reversal of 30311022213211 is 11231222011303.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30311022213211 - 21 = 30311022213209 is a prime.
Together with 30311022213209, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (30311022213811) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15155511106605 + 15155511106606.
It is an arithmetic number, because the mean of its divisors is an integer number (15155511106606).
Almost surely, 230311022213211 is an apocalyptic number.
30311022213211 is a deficient number, since it is larger than the sum of its proper divisors (1).
30311022213211 is an equidigital number, since it uses as much as digits as its factorization.
30311022213211 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 30311022213211 its reverse (11231222011303), we get a palindrome (41542244224514).
The spelling of 30311022213211 in words is "thirty trillion, three hundred eleven billion, twenty-two million, two hundred thirteen thousand, two hundred eleven".
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