Base | Representation |
---|---|
bin | 10110111010011011… |
… | …01111100101110011 |
3 | 1011202022001220011122 |
4 | 23131031233211303 |
5 | 200143113132011 |
6 | 5352351332455 |
7 | 613560225416 |
oct | 133515574563 |
9 | 34668056148 |
10 | 12301302131 |
11 | 52428453a8 |
12 | 247382112b |
13 | 12106ca201 |
14 | 849a4db7d |
15 | 4bee3a3db |
hex | 2dd36f973 |
12301302131 has 2 divisors, whose sum is σ = 12301302132. Its totient is φ = 12301302130.
The previous prime is 12301302121. The next prime is 12301302163. The reversal of 12301302131 is 13120310321.
It is a weak prime.
It is an emirp because it is prime and its reverse (13120310321) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12301302131 - 210 = 12301301107 is a prime.
It is a super-2 number, since 2×123013021312 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (12301302121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6150651065 + 6150651066.
It is an arithmetic number, because the mean of its divisors is an integer number (6150651066).
Almost surely, 212301302131 is an apocalyptic number.
12301302131 is a deficient number, since it is larger than the sum of its proper divisors (1).
12301302131 is an equidigital number, since it uses as much as digits as its factorization.
12301302131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 12301302131 its reverse (13120310321), we get a palindrome (25421612452).
It can be divided in two parts, 12301 and 302131, that added together give a cube (314432 = 683).
The spelling of 12301302131 in words is "twelve billion, three hundred one million, three hundred two thousand, one hundred thirty-one".
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