Base | Representation |
---|---|
bin | 10101101110101001… |
… | …000101011001000111 |
3 | 2020012222120200201101 |
4 | 111232221011121013 |
5 | 340240230201411 |
6 | 14415042240531 |
7 | 1454111036245 |
oct | 255651053107 |
9 | 66188520641 |
10 | 23331100231 |
11 | 9992885a1a |
12 | 4631656147 |
13 | 227a85896a |
14 | 11b4879795 |
15 | 9184138c1 |
hex | 56ea45647 |
23331100231 has 2 divisors, whose sum is σ = 23331100232. Its totient is φ = 23331100230.
The previous prime is 23331100207. The next prime is 23331100241. The reversal of 23331100231 is 13200113332.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 23331100231 - 229 = 22794229319 is a prime.
It is a super-2 number, since 2×233311002312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23331100199 and 23331100208.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23331100201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11665550115 + 11665550116.
It is an arithmetic number, because the mean of its divisors is an integer number (11665550116).
Almost surely, 223331100231 is an apocalyptic number.
23331100231 is a deficient number, since it is larger than the sum of its proper divisors (1).
23331100231 is an equidigital number, since it uses as much as digits as its factorization.
23331100231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 23331100231 its reverse (13200113332), we get a palindrome (36531213563).
The spelling of 23331100231 in words is "twenty-three billion, three hundred thirty-one million, one hundred thousand, two hundred thirty-one".
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