Base | Representation |
---|---|
bin | 1110001100000110110110… |
… | …11000100001111111100101 |
3 | 11002110220122112200111221202 |
4 | 13012003123120201333211 |
5 | 13042204324202013031 |
6 | 150210052131252245 |
7 | 6400202440055564 |
oct | 706033330417745 |
9 | 132426575614852 |
10 | 31202323079141 |
11 | 9a3a915a31965 |
12 | 35bb276a4a085 |
13 | 145449c0bcba6 |
14 | 79c2b422dbdb |
15 | 39199d8e42cb |
hex | 1c60db621fe5 |
31202323079141 has 2 divisors, whose sum is σ = 31202323079142. Its totient is φ = 31202323079140.
The previous prime is 31202323079131. The next prime is 31202323079149. The reversal of 31202323079141 is 14197032320213.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 24512935710916 + 6689387368225 = 4951054^2 + 2586385^2 .
It is a cyclic number.
It is not a de Polignac number, because 31202323079141 - 26 = 31202323079077 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31202323079095 and 31202323079104.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31202323079149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15601161539570 + 15601161539571.
It is an arithmetic number, because the mean of its divisors is an integer number (15601161539571).
Almost surely, 231202323079141 is an apocalyptic number.
It is an amenable number.
31202323079141 is a deficient number, since it is larger than the sum of its proper divisors (1).
31202323079141 is an equidigital number, since it uses as much as digits as its factorization.
31202323079141 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 54432, while the sum is 38.
Adding to 31202323079141 its reverse (14197032320213), we get a palindrome (45399355399354).
The spelling of 31202323079141 in words is "thirty-one trillion, two hundred two billion, three hundred twenty-three million, seventy-nine thousand, one hundred forty-one".
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