Base | Representation |
---|---|
bin | 1101011100111011010… |
… | …1001101100001110111 |
3 | 211002111222200011102212 |
4 | 3113032311031201313 |
5 | 12241244422302411 |
6 | 254100054124035 |
7 | 22460645553515 |
oct | 3271665154167 |
9 | 732458604385 |
10 | 231103322231 |
11 | 8a012889591 |
12 | 3895805061b |
13 | 18a40159162 |
14 | b284c914b5 |
15 | 6028d8d68b |
hex | 35ced4d877 |
231103322231 has 32 divisors (see below), whose sum is σ = 248929632000. Its totient is φ = 213920808192.
The previous prime is 231103322209. The next prime is 231103322323. The reversal of 231103322231 is 132223301132.
It is a cyclic number.
It is not a de Polignac number, because 231103322231 - 214 = 231103305847 is a prime.
It is a super-2 number, since 2×2311033222312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 231103322197 and 231103322206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231103322201) 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 31 ways as a sum of consecutive naturals, for example, 44363555 + ... + 44368763.
It is an arithmetic number, because the mean of its divisors is an integer number (7779051000).
Almost surely, 2231103322231 is an apocalyptic number.
231103322231 is a deficient number, since it is larger than the sum of its proper divisors (17826309769).
231103322231 is a wasteful number, since it uses less digits than its factorization.
231103322231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5631.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 231103322231 its reverse (132223301132), we get a palindrome (363326623363).
The spelling of 231103322231 in words is "two hundred thirty-one billion, one hundred three million, three hundred twenty-two thousand, two hundred thirty-one".
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