Base | Representation |
---|---|
bin | 11011100011010… |
… | …11000100001111 |
3 | 121002220101020221 |
4 | 31301223010033 |
5 | 433132002023 |
6 | 34533452211 |
7 | 5504350405 |
oct | 1561530417 |
9 | 532811227 |
10 | 231125263 |
11 | 109511916 |
12 | 654a1067 |
13 | 38b64515 |
14 | 229a5475 |
15 | 1545685d |
hex | dc6b10f |
231125263 has 2 divisors, whose sum is σ = 231125264. Its totient is φ = 231125262.
The previous prime is 231125261. The next prime is 231125267. The reversal of 231125263 is 362521132.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 231125263 - 21 = 231125261 is a prime.
Together with 231125261, 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 (231125261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115562631 + 115562632.
It is an arithmetic number, because the mean of its divisors is an integer number (115562632).
Almost surely, 2231125263 is an apocalyptic number.
231125263 is a deficient number, since it is larger than the sum of its proper divisors (1).
231125263 is an equidigital number, since it uses as much as digits as its factorization.
231125263 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2160, while the sum is 25.
The square root of 231125263 is about 15202.8044452331. The cubic root of 231125263 is about 613.6901312511.
Adding to 231125263 its reverse (362521132), we get a palindrome (593646395).
The spelling of 231125263 in words is "two hundred thirty-one million, one hundred twenty-five thousand, two hundred sixty-three".
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