Base | Representation |
---|---|
bin | 1101011101011100011… |
… | …0010001011010110101 |
3 | 211002212122122100111121 |
4 | 3113113012101122311 |
5 | 12242040423343331 |
6 | 254121530503541 |
7 | 22464251450044 |
oct | 3272706213265 |
9 | 732778570447 |
10 | 231242012341 |
11 | 8a0840a650a |
12 | 38996594bb1 |
13 | 18a62ac8202 |
14 | b29947455b |
15 | 6036136c11 |
hex | 35d71916b5 |
231242012341 has 2 divisors, whose sum is σ = 231242012342. Its totient is φ = 231242012340.
The previous prime is 231242012317. The next prime is 231242012357. The reversal of 231242012341 is 143210242132.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 228737410225 + 2504602116 = 478265^2 + 50046^2 .
It is a cyclic number.
It is not a de Polignac number, because 231242012341 - 231 = 229094528693 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (231242012741) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115621006170 + 115621006171.
It is an arithmetic number, because the mean of its divisors is an integer number (115621006171).
Almost surely, 2231242012341 is an apocalyptic number.
It is an amenable number.
231242012341 is a deficient number, since it is larger than the sum of its proper divisors (1).
231242012341 is an equidigital number, since it uses as much as digits as its factorization.
231242012341 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 231242012341 its reverse (143210242132), we get a palindrome (374452254473).
The spelling of 231242012341 in words is "two hundred thirty-one billion, two hundred forty-two million, twelve thousand, three hundred forty-one".
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