Base | Representation |
---|---|
bin | 1101011110001001010… |
… | …0010100000000100101 |
3 | 211010100202211102112002 |
4 | 3113202110110000211 |
5 | 12242432120223331 |
6 | 254152333135045 |
7 | 22502025413414 |
oct | 3274224240045 |
9 | 733322742462 |
10 | 231430242341 |
11 | 8a17037a4a1 |
12 | 38a2962a485 |
13 | 18a92ac10cc |
14 | b2b647147b |
15 | 60479189cb |
hex | 35e2514025 |
231430242341 has 8 divisors (see below), whose sum is σ = 231737767800. Its totient is φ = 231122803392.
The previous prime is 231430242287. The next prime is 231430242343. The reversal of 231430242341 is 143242034132.
It can be written as a sum of positive squares in 4 ways, for example, as 2136750625 + 229293491716 = 46225^2 + 478846^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 231430242341 - 234 = 214250373157 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231430242343) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6681335 + ... + 6715883.
It is an arithmetic number, because the mean of its divisors is an integer number (28967220975).
Almost surely, 2231430242341 is an apocalyptic number.
It is an amenable number.
231430242341 is a deficient number, since it is larger than the sum of its proper divisors (307525459).
231430242341 is an equidigital number, since it uses as much as digits as its factorization.
231430242341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43255.
The product of its (nonzero) digits is 13824, while the sum is 29.
Adding to 231430242341 its reverse (143242034132), we get a palindrome (374672276473).
The spelling of 231430242341 in words is "two hundred thirty-one billion, four hundred thirty million, two hundred forty-two thousand, three hundred forty-one".
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