Base | Representation |
---|---|
bin | 10110111101111111… |
… | …10010111101001011 |
3 | 1011211101022212210101 |
4 | 23132333302331023 |
5 | 200223241402311 |
6 | 5355340230231 |
7 | 614402321242 |
oct | 133677627513 |
9 | 34741285711 |
10 | 12331200331 |
11 | 525870635a |
12 | 248183b377 |
13 | 1216967a58 |
14 | 84d9d3959 |
15 | 4c2893ec1 |
hex | 2deff2f4b |
12331200331 has 2 divisors, whose sum is σ = 12331200332. Its totient is φ = 12331200330.
The previous prime is 12331200319. The next prime is 12331200337. The reversal of 12331200331 is 13300213321.
It is a strong prime.
It is an emirp because it is prime and its reverse (13300213321) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12331200331 - 211 = 12331198283 is a prime.
It is a super-2 number, since 2×123312003312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12331200299 and 12331200308.
It is not a weakly prime, because it can be changed into another prime (12331200337) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165600165 + 6165600166.
It is an arithmetic number, because the mean of its divisors is an integer number (6165600166).
Almost surely, 212331200331 is an apocalyptic number.
12331200331 is a deficient number, since it is larger than the sum of its proper divisors (1).
12331200331 is an equidigital number, since it uses as much as digits as its factorization.
12331200331 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 12331200331 its reverse (13300213321), we get a palindrome (25631413652).
The spelling of 12331200331 in words is "twelve billion, three hundred thirty-one million, two hundred thousand, three hundred thirty-one".
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