Base | Representation |
---|---|
bin | 1110000110100111001010… |
… | …10011101010011101011101 |
3 | 11001210212021220110211011212 |
4 | 13003103211103222131131 |
5 | 13031111132304423422 |
6 | 145543224341354205 |
7 | 6350436500022263 |
oct | 703234523523535 |
9 | 131725256424155 |
10 | 31013511014237 |
11 | 99778354a0a14 |
12 | 358a762108965 |
13 | 143c73b919c6b |
14 | 7930c1d80433 |
15 | 38baec7839e2 |
hex | 1c34e54ea75d |
31013511014237 has 2 divisors, whose sum is σ = 31013511014238. Its totient is φ = 31013511014236.
The previous prime is 31013511014111. The next prime is 31013511014267. The reversal of 31013511014237 is 73241011531013.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 16366709445241 + 14646801568996 = 4045579^2 + 3827114^2 .
It is an emirp because it is prime and its reverse (73241011531013) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 31013511014237 - 218 = 31013510752093 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31013511014267) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15506755507118 + 15506755507119.
It is an arithmetic number, because the mean of its divisors is an integer number (15506755507119).
Almost surely, 231013511014237 is an apocalyptic number.
It is an amenable number.
31013511014237 is a deficient number, since it is larger than the sum of its proper divisors (1).
31013511014237 is an equidigital number, since it uses as much as digits as its factorization.
31013511014237 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7560, while the sum is 32.
The spelling of 31013511014237 in words is "thirty-one trillion, thirteen billion, five hundred eleven million, fourteen thousand, two hundred thirty-seven".
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