Base | Representation |
---|---|
bin | 1001000011100001111… |
… | …10010100101001000011 |
3 | 1002202002101200121011211 |
4 | 10201300332110221003 |
5 | 20044200023442404 |
6 | 354533232350551 |
7 | 31323111061531 |
oct | 4416076245103 |
9 | 1082071617154 |
10 | 311133030979 |
11 | 10aa50537251 |
12 | 503719a5457 |
13 | 234554934c4 |
14 | 110b7961151 |
15 | 815ec79b04 |
hex | 4870f94a43 |
311133030979 has 2 divisors, whose sum is σ = 311133030980. Its totient is φ = 311133030978.
The previous prime is 311133030947. The next prime is 311133031009. The reversal of 311133030979 is 979030331113.
It is a strong prime.
It is an emirp because it is prime and its reverse (979030331113) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 311133030979 - 25 = 311133030947 is a prime.
It is not a weakly prime, because it can be changed into another prime (311133030479) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155566515489 + 155566515490.
It is an arithmetic number, because the mean of its divisors is an integer number (155566515490).
Almost surely, 2311133030979 is an apocalyptic number.
311133030979 is a deficient number, since it is larger than the sum of its proper divisors (1).
311133030979 is an equidigital number, since it uses as much as digits as its factorization.
311133030979 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 45927, while the sum is 40.
The spelling of 311133030979 in words is "three hundred eleven billion, one hundred thirty-three million, thirty thousand, nine hundred seventy-nine".
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