Base | Representation |
---|---|
bin | 11101001001101001… |
… | …010000100000001001 |
3 | 2222210101002011122201 |
4 | 131021221100200021 |
5 | 1003100340321322 |
6 | 22213522320201 |
7 | 2155436233663 |
oct | 351151204011 |
9 | 88711064581 |
10 | 31300323337 |
11 | 12302242218 |
12 | 60964b9061 |
13 | 2c4a8b42aa |
14 | 172d011533 |
15 | c32d7ed27 |
hex | 749a50809 |
31300323337 has 2 divisors, whose sum is σ = 31300323338. Its totient is φ = 31300323336.
The previous prime is 31300323287. The next prime is 31300323389. The reversal of 31300323337 is 73332300313.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 31214408976 + 85914361 = 176676^2 + 9269^2 .
It is an emirp because it is prime and its reverse (73332300313) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 31300323337 - 215 = 31300290569 is a prime.
It is not a weakly prime, because it can be changed into another prime (31300323137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15650161668 + 15650161669.
It is an arithmetic number, because the mean of its divisors is an integer number (15650161669).
Almost surely, 231300323337 is an apocalyptic number.
It is an amenable number.
31300323337 is a deficient number, since it is larger than the sum of its proper divisors (1).
31300323337 is an equidigital number, since it uses as much as digits as its factorization.
31300323337 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10206, while the sum is 28.
The spelling of 31300323337 in words is "thirty-one billion, three hundred million, three hundred twenty-three thousand, three hundred thirty-seven".
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