Base | Representation |
---|---|
bin | 11100111100100101… |
… | …011110100011000011 |
3 | 2222020002211000000111 |
4 | 130330211132203003 |
5 | 1002123243302413 |
6 | 22140054332151 |
7 | 2150136040324 |
oct | 347445364303 |
9 | 88202730014 |
10 | 31081228483 |
11 | 121aa5a7a98 |
12 | 603505a057 |
13 | 2c143a2876 |
14 | 170bc9c44b |
15 | c1da02d3d |
hex | 73c95e8c3 |
31081228483 has 2 divisors, whose sum is σ = 31081228484. Its totient is φ = 31081228482.
The previous prime is 31081228439. The next prime is 31081228487. The reversal of 31081228483 is 38482218013.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 31081228483 - 225 = 31047674051 is a prime.
It is not a weakly prime, because it can be changed into another prime (31081228487) 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, 15540614241 + 15540614242.
It is an arithmetic number, because the mean of its divisors is an integer number (15540614242).
Almost surely, 231081228483 is an apocalyptic number.
31081228483 is a deficient number, since it is larger than the sum of its proper divisors (1).
31081228483 is an equidigital number, since it uses as much as digits as its factorization.
31081228483 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 73728, while the sum is 40.
The spelling of 31081228483 in words is "thirty-one billion, eighty-one million, two hundred twenty-eight thousand, four hundred eighty-three".
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