Base | Representation |
---|---|
bin | 11101000000010101… |
… | …110100110000101011 |
3 | 2222101111101000101011 |
4 | 131000111310300223 |
5 | 1002240410442102 |
6 | 22150225004351 |
7 | 2151532423054 |
oct | 350025646053 |
9 | 88344330334 |
10 | 31144234027 |
11 | 12232120a95 |
12 | 60521836b7 |
13 | 2c2446285a |
14 | 17163bd72b |
15 | c242eb2d7 |
hex | 740574c2b |
31144234027 has 2 divisors, whose sum is σ = 31144234028. Its totient is φ = 31144234026.
The previous prime is 31144233977. The next prime is 31144234031. The reversal of 31144234027 is 72043244113.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 31144234027 - 215 = 31144201259 is a prime.
It is a super-3 number, since 3×311442340273 (a number of 32 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 31144234027.
It is not a weakly prime, because it can be changed into another prime (31144235027) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15572117013 + 15572117014.
It is an arithmetic number, because the mean of its divisors is an integer number (15572117014).
Almost surely, 231144234027 is an apocalyptic number.
31144234027 is a deficient number, since it is larger than the sum of its proper divisors (1).
31144234027 is an equidigital number, since it uses as much as digits as its factorization.
31144234027 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 16128, while the sum is 31.
The spelling of 31144234027 in words is "thirty-one billion, one hundred forty-four million, two hundred thirty-four thousand, twenty-seven".
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