Base | Representation |
---|---|
bin | 1011110101011011010… |
… | …1000011001100110111 |
3 | 201102210201211211200201 |
4 | 2331112311003030313 |
5 | 11312344433211411 |
6 | 233223133421331 |
7 | 20455315162135 |
oct | 2752665031467 |
9 | 642721754621 |
10 | 203320210231 |
11 | 79255a5a2a6 |
12 | 334a363a847 |
13 | 16233159508 |
14 | 9bab03c755 |
15 | 544ebba3c1 |
hex | 2f56d43337 |
203320210231 has 2 divisors, whose sum is σ = 203320210232. Its totient is φ = 203320210230.
The previous prime is 203320210211. The next prime is 203320210241. The reversal of 203320210231 is 132012023302.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 203320210231 - 225 = 203286655799 is a prime.
It is a super-2 number, since 2×2033202102312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 203320210199 and 203320210208.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (203320210211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101660105115 + 101660105116.
It is an arithmetic number, because the mean of its divisors is an integer number (101660105116).
Almost surely, 2203320210231 is an apocalyptic number.
203320210231 is a deficient number, since it is larger than the sum of its proper divisors (1).
203320210231 is an equidigital number, since it uses as much as digits as its factorization.
203320210231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 203320210231 its reverse (132012023302), we get a palindrome (335332233533).
The spelling of 203320210231 in words is "two hundred three billion, three hundred twenty million, two hundred ten thousand, two hundred thirty-one".
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