Base | Representation |
---|---|
bin | 10010100011101… |
… | …000010101000111 |
3 | 210200211012122011 |
4 | 102203220111013 |
5 | 1114200030434 |
6 | 50520515051 |
7 | 10500155662 |
oct | 2243502507 |
9 | 720735564 |
10 | 311330119 |
11 | 14a812a21 |
12 | 8831ba87 |
13 | 4c666c09 |
14 | 2d4c26d9 |
15 | 1c4eae64 |
hex | 128e8547 |
311330119 has 2 divisors, whose sum is σ = 311330120. Its totient is φ = 311330118.
The previous prime is 311330113. The next prime is 311330161. The reversal of 311330119 is 911033113.
It is a weak prime.
It is an emirp because it is prime and its reverse (911033113) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 311330119 - 25 = 311330087 is a prime.
It is a super-2 number, since 2×3113301192 = 193852885993108322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 311330119.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (311330113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155665059 + 155665060.
It is an arithmetic number, because the mean of its divisors is an integer number (155665060).
Almost surely, 2311330119 is an apocalyptic number.
311330119 is a deficient number, since it is larger than the sum of its proper divisors (1).
311330119 is an equidigital number, since it uses as much as digits as its factorization.
311330119 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 243, while the sum is 22.
The square root of 311330119 is about 17644.5492716589. The cubic root of 311330119 is about 677.7565330725.
The spelling of 311330119 in words is "three hundred eleven million, three hundred thirty thousand, one hundred nineteen".
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