Base | Representation |
---|---|
bin | 11011100101011… |
… | …10011101111101 |
3 | 121010102101222001 |
4 | 31302232131331 |
5 | 433214320331 |
6 | 34543422301 |
7 | 5506610323 |
oct | 1562563575 |
9 | 533371861 |
10 | 231401341 |
11 | 109690286 |
12 | 655b4991 |
13 | 38c30092 |
14 | 22a37d13 |
15 | 154ad561 |
hex | dcae77d |
231401341 has 2 divisors, whose sum is σ = 231401342. Its totient is φ = 231401340.
The previous prime is 231401333. The next prime is 231401369. The reversal of 231401341 is 143104132.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 134792100 + 96609241 = 11610^2 + 9829^2 .
It is a cyclic number.
It is not a de Polignac number, because 231401341 - 23 = 231401333 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (231401371) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115700670 + 115700671.
It is an arithmetic number, because the mean of its divisors is an integer number (115700671).
Almost surely, 2231401341 is an apocalyptic number.
It is an amenable number.
231401341 is a deficient number, since it is larger than the sum of its proper divisors (1).
231401341 is an equidigital number, since it uses as much as digits as its factorization.
231401341 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 231401341 is about 15211.8815732966. The cubic root of 231401341 is about 613.9343839808.
Adding to 231401341 its reverse (143104132), we get a palindrome (374505473).
The spelling of 231401341 in words is "two hundred thirty-one million, four hundred one thousand, three hundred forty-one".
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