Base | Representation |
---|---|
bin | 1101011101110001101… |
… | …0111000011010111101 |
3 | 211010002212122200120221 |
4 | 3113130122320122331 |
5 | 12242231303113203 |
6 | 254134440341341 |
7 | 22466414421016 |
oct | 3273432703275 |
9 | 733085580527 |
10 | 231331301053 |
11 | 8a11a541436 |
12 | 38a00474851 |
13 | 18a7845b478 |
14 | b2a727800d |
15 | 603ddc2abd |
hex | 35dc6b86bd |
231331301053 has 2 divisors, whose sum is σ = 231331301054. Its totient is φ = 231331301052.
The previous prime is 231331301051. The next prime is 231331301059. The reversal of 231331301053 is 350103133132.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 116235310489 + 115095990564 = 340933^2 + 339258^2 .
It is a cyclic number.
It is not a de Polignac number, because 231331301053 - 21 = 231331301051 is a prime.
Together with 231331301051, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (231331301051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115665650526 + 115665650527.
It is an arithmetic number, because the mean of its divisors is an integer number (115665650527).
Almost surely, 2231331301053 is an apocalyptic number.
It is an amenable number.
231331301053 is a deficient number, since it is larger than the sum of its proper divisors (1).
231331301053 is an equidigital number, since it uses as much as digits as its factorization.
231331301053 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2430, while the sum is 25.
Adding to 231331301053 its reverse (350103133132), we get a palindrome (581434434185).
The spelling of 231331301053 in words is "two hundred thirty-one billion, three hundred thirty-one million, three hundred one thousand, fifty-three".
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