Base | Representation |
---|---|
bin | 1110010000101111001111… |
… | …00100011110010000000111 |
3 | 11010001010100202201222011011 |
4 | 13020113213210132100013 |
5 | 13102311212434413322 |
6 | 150411125223423051 |
7 | 6414534515621305 |
oct | 710274744362007 |
9 | 133033322658134 |
10 | 31361441326087 |
11 | 9aa1349045994 |
12 | 36260832b4a87 |
13 | 14664a9781632 |
14 | 7a5c8a9b7275 |
15 | 395bb2c5b677 |
hex | 1c85e791e407 |
31361441326087 has 2 divisors, whose sum is σ = 31361441326088. Its totient is φ = 31361441326086.
The previous prime is 31361441326073. The next prime is 31361441326147. The reversal of 31361441326087 is 78062314416313.
It is a weak prime.
It is an emirp because it is prime and its reverse (78062314416313) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 31361441326087 - 211 = 31361441324039 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31361441326087.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31361441326027) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15680720663043 + 15680720663044.
It is an arithmetic number, because the mean of its divisors is an integer number (15680720663044).
Almost surely, 231361441326087 is an apocalyptic number.
31361441326087 is a deficient number, since it is larger than the sum of its proper divisors (1).
31361441326087 is an equidigital number, since it uses as much as digits as its factorization.
31361441326087 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1741824, while the sum is 49.
The spelling of 31361441326087 in words is "thirty-one trillion, three hundred sixty-one billion, four hundred forty-one million, three hundred twenty-six thousand, eighty-seven".
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