Base | Representation |
---|---|
bin | 1101011100101001111… |
… | …0110100100110101111 |
3 | 211002022220100111021112 |
4 | 3113022132310212233 |
5 | 12241122232002421 |
6 | 254044530022235 |
7 | 22456101344360 |
oct | 3271236644657 |
9 | 732286314245 |
10 | 231030344111 |
11 | 89a85673a96 |
12 | 3893771797b |
13 | 18a2acb6c38 |
14 | b2792d5b67 |
15 | 602277545b |
hex | 35ca7b49af |
231030344111 has 16 divisors (see below), whose sum is σ = 264734161920. Its totient is φ = 197501703840.
The previous prime is 231030344071. The next prime is 231030344119. The reversal of 231030344111 is 111443030132.
It is not a de Polignac number, because 231030344111 - 218 = 231030081967 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 (231030344119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10690505 + ... + 10712093.
It is an arithmetic number, because the mean of its divisors is an integer number (16545885120).
Almost surely, 2231030344111 is an apocalyptic number.
231030344111 is a deficient number, since it is larger than the sum of its proper divisors (33703817809).
231030344111 is a wasteful number, since it uses less digits than its factorization.
231030344111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25574.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 231030344111 its reverse (111443030132), we get a palindrome (342473374243).
The spelling of 231030344111 in words is "two hundred thirty-one billion, thirty million, three hundred forty-four thousand, one hundred eleven".
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