Base | Representation |
---|---|
bin | 1110001100011000111011… |
… | …00011001011101001010001 |
3 | 11002111211200112222201211212 |
4 | 13012030131203023221101 |
5 | 13042334210403231113 |
6 | 150214334440345505 |
7 | 6400665012644654 |
oct | 706143543135121 |
9 | 132454615881755 |
10 | 31212023102033 |
11 | 9a43a43388704 |
12 | 3601123475295 |
13 | 14553868b9ac7 |
14 | 79c9545c789b |
15 | 391d6a29a0a8 |
hex | 1c631d8cba51 |
31212023102033 has 2 divisors, whose sum is σ = 31212023102034. Its totient is φ = 31212023102032.
The previous prime is 31212023102021. The next prime is 31212023102059. The reversal of 31212023102033 is 33020132021213.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 24382728024769 + 6829295077264 = 4937887^2 + 2613292^2 .
It is a cyclic number.
It is not a de Polignac number, because 31212023102033 - 218 = 31212022839889 is a prime.
It is a super-2 number, since 2×312120231020332 (a number of 28 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (31212023102333) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15606011551016 + 15606011551017.
It is an arithmetic number, because the mean of its divisors is an integer number (15606011551017).
Almost surely, 231212023102033 is an apocalyptic number.
It is an amenable number.
31212023102033 is a deficient number, since it is larger than the sum of its proper divisors (1).
31212023102033 is an equidigital number, since it uses as much as digits as its factorization.
31212023102033 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 31212023102033 its reverse (33020132021213), we get a palindrome (64232155123246).
The spelling of 31212023102033 in words is "thirty-one trillion, two hundred twelve billion, twenty-three million, one hundred two thousand, thirty-three".
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