Base | Representation |
---|---|
bin | 111101011110001… |
… | …101100101000101 |
3 | 2122212121222221202 |
4 | 331132031211011 |
5 | 4103010030432 |
6 | 250200552245 |
7 | 34362106226 |
oct | 7536154505 |
9 | 2585558852 |
10 | 1031330117 |
11 | 48a182644 |
12 | 249482685 |
13 | 13588970c |
14 | 9ad8524d |
15 | 6081e462 |
hex | 3d78d945 |
1031330117 has 2 divisors, whose sum is σ = 1031330118. Its totient is φ = 1031330116.
The previous prime is 1031330033. The next prime is 1031330141. The reversal of 1031330117 is 7110331301.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 701508196 + 329821921 = 26486^2 + 18161^2 .
It is an emirp because it is prime and its reverse (7110331301) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1031330117 - 228 = 762894661 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1031330717) 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, 515665058 + 515665059.
It is an arithmetic number, because the mean of its divisors is an integer number (515665059).
Almost surely, 21031330117 is an apocalyptic number.
It is an amenable number.
1031330117 is a deficient number, since it is larger than the sum of its proper divisors (1).
1031330117 is an equidigital number, since it uses as much as digits as its factorization.
1031330117 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 189, while the sum is 20.
The square root of 1031330117 is about 32114.3288424342. The cubic root of 1031330117 is about 1010.3361678741.
Adding to 1031330117 its reverse (7110331301), we get a palindrome (8141661418).
The spelling of 1031330117 in words is "one billion, thirty-one million, three hundred thirty thousand, one hundred seventeen".
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