Base | Representation |
---|---|
bin | 11011100100000… |
… | …00110100000111 |
3 | 121010001220110012 |
4 | 31302000310013 |
5 | 433142324333 |
6 | 34535420435 |
7 | 5505201203 |
oct | 1562006407 |
9 | 533056405 |
10 | 231214343 |
11 | 109572838 |
12 | 6552471b |
13 | 38b95c29 |
14 | 229c9b03 |
15 | 15472e48 |
hex | dc80d07 |
231214343 has 2 divisors, whose sum is σ = 231214344. Its totient is φ = 231214342.
The previous prime is 231214307. The next prime is 231214367. The reversal of 231214343 is 343412132.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 231214343 - 26 = 231214279 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (231214043) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115607171 + 115607172.
It is an arithmetic number, because the mean of its divisors is an integer number (115607172).
Almost surely, 2231214343 is an apocalyptic number.
231214343 is a deficient number, since it is larger than the sum of its proper divisors (1).
231214343 is an equidigital number, since it uses as much as digits as its factorization.
231214343 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1728, while the sum is 23.
The square root of 231214343 is about 15205.7338856104. The cubic root of 231214343 is about 613.7689636764.
Adding to 231214343 its reverse (343412132), we get a palindrome (574626475).
The spelling of 231214343 in words is "two hundred thirty-one million, two hundred fourteen thousand, three hundred forty-three".
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