Base | Representation |
---|---|
bin | 1011110001101000100… |
… | …1000000010101111111 |
3 | 201100011202221222200101 |
4 | 2330122021000111333 |
5 | 11303303304444411 |
6 | 232534122341531 |
7 | 20421142615216 |
oct | 2743211002577 |
9 | 640152858611 |
10 | 202302031231 |
11 | 7888324a353 |
12 | 3325a65a8a7 |
13 | 16100225a31 |
14 | 9b11b1c07d |
15 | 53e05e78c1 |
hex | 2f1a24057f |
202302031231 has 2 divisors, whose sum is σ = 202302031232. Its totient is φ = 202302031230.
The previous prime is 202302031199. The next prime is 202302031291. The reversal of 202302031231 is 132130203202.
202302031231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 202302031231 - 25 = 202302031199 is a prime.
It is a super-2 number, since 2×2023020312312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 202302031199 and 202302031208.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (202302031291) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101151015615 + 101151015616.
It is an arithmetic number, because the mean of its divisors is an integer number (101151015616).
Almost surely, 2202302031231 is an apocalyptic number.
202302031231 is a deficient number, since it is larger than the sum of its proper divisors (1).
202302031231 is an equidigital number, since it uses as much as digits as its factorization.
202302031231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 202302031231 its reverse (132130203202), we get a palindrome (334432234433).
The spelling of 202302031231 in words is "two hundred two billion, three hundred two million, thirty-one thousand, two hundred thirty-one".
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