Base | Representation |
---|---|
bin | 11011100100111… |
… | …11110100010001 |
3 | 121010022100122101 |
4 | 31302133310101 |
5 | 433210410304 |
6 | 34542240401 |
7 | 5506240342 |
oct | 1562376421 |
9 | 533270571 |
10 | 231341329 |
11 | 10964a18a |
12 | 65586101 |
13 | 38c0b97b |
14 | 22a200c9 |
15 | 1549a8a4 |
hex | dc9fd11 |
231341329 has 4 divisors (see below), whose sum is σ = 231374884. Its totient is φ = 231307776.
The previous prime is 231341317. The next prime is 231341339. The reversal of 231341329 is 923143132.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 19580625 + 211760704 = 4425^2 + 14552^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-231341329 is a prime.
It is a super-3 number, since 3×2313413293 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 231341297 and 231341306.
It is not an unprimeable number, because it can be changed into a prime (231341339) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2232 + ... + 21625.
It is an arithmetic number, because the mean of its divisors is an integer number (57843721).
Almost surely, 2231341329 is an apocalyptic number.
It is an amenable number.
231341329 is a deficient number, since it is larger than the sum of its proper divisors (33555).
231341329 is an equidigital number, since it uses as much as digits as its factorization.
231341329 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33554.
The product of its digits is 3888, while the sum is 28.
The square root of 231341329 is about 15209.9089083400. The cubic root of 231341329 is about 613.8813064783.
The spelling of 231341329 in words is "two hundred thirty-one million, three hundred forty-one thousand, three hundred twenty-nine".
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