Base | Representation |
---|---|
bin | 1101011101110001101… |
… | …0001110101111001001 |
3 | 211010002212100000101020 |
4 | 3113130122032233021 |
5 | 12242231232132223 |
6 | 254134432543053 |
7 | 22466413110153 |
oct | 3273432165711 |
9 | 733085300336 |
10 | 231331130313 |
11 | 8a11a435128 |
12 | 38a003b1a89 |
13 | 18a783cb83a |
14 | b2a7231ad3 |
15 | 603dd8c1e3 |
hex | 35dc68ebc9 |
231331130313 has 8 divisors (see below), whose sum is σ = 321852007488. Its totient is φ = 147515503344.
The previous prime is 231331130291. The next prime is 231331130357. The reversal of 231331130313 is 313031133132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 231331130313 - 29 = 231331129801 is a prime.
It is not an unprimeable number, because it can be changed into a prime (231331135313) 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, 1676312470 + ... + 1676312607.
It is an arithmetic number, because the mean of its divisors is an integer number (40231500936).
Almost surely, 2231331130313 is an apocalyptic number.
231331130313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
231331130313 is a deficient number, since it is larger than the sum of its proper divisors (90520877175).
231331130313 is a wasteful number, since it uses less digits than its factorization.
231331130313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3352625103.
The product of its (nonzero) digits is 1458, while the sum is 24.
Adding to 231331130313 its reverse (313031133132), we get a palindrome (544362263445).
The spelling of 231331130313 in words is "two hundred thirty-one billion, three hundred thirty-one million, one hundred thirty thousand, three hundred thirteen".
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