Base | Representation |
---|---|
bin | 11100111000011101… |
… | …100001001010000111 |
3 | 2222001021121111212201 |
4 | 130320131201022013 |
5 | 1002003040030114 |
6 | 22125143255331 |
7 | 2145335634562 |
oct | 347035411207 |
9 | 88037544781 |
10 | 31012033159 |
11 | 12174536578 |
12 | 6015a4a547 |
13 | 2c02c563a3 |
14 | 1702a094d9 |
15 | c178d5874 |
hex | 738761287 |
31012033159 has 2 divisors, whose sum is σ = 31012033160. Its totient is φ = 31012033158.
The previous prime is 31012033121. The next prime is 31012033193. The reversal of 31012033159 is 95133021013.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 31012033159 - 229 = 30475162247 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31012013159) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15506016579 + 15506016580.
It is an arithmetic number, because the mean of its divisors is an integer number (15506016580).
Almost surely, 231012033159 is an apocalyptic number.
31012033159 is a deficient number, since it is larger than the sum of its proper divisors (1).
31012033159 is an equidigital number, since it uses as much as digits as its factorization.
31012033159 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2430, while the sum is 28.
The spelling of 31012033159 in words is "thirty-one billion, twelve million, thirty-three thousand, one hundred fifty-nine".
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