Base | Representation |
---|---|
bin | 1100010101110110000… |
… | …0001111110100111111 |
3 | 202021021012001021021201 |
4 | 3011131200033310333 |
5 | 11433210131211111 |
6 | 241222430040331 |
7 | 21214051246423 |
oct | 3053540176477 |
9 | 667235037251 |
10 | 212022132031 |
11 | 81a10a69a06 |
12 | 351119490a7 |
13 | 16cbbc32678 |
14 | a394a20b83 |
15 | 57adb176c1 |
hex | 315d80fd3f |
212022132031 has 2 divisors, whose sum is σ = 212022132032. Its totient is φ = 212022132030.
The previous prime is 212022132013. The next prime is 212022132037. The reversal of 212022132031 is 130231220212.
Together with previous prime (212022132013) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 212022132031 - 25 = 212022131999 is a prime.
It is a super-3 number, since 3×2120221320313 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (212022132037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011066015 + 106011066016.
It is an arithmetic number, because the mean of its divisors is an integer number (106011066016).
Almost surely, 2212022132031 is an apocalyptic number.
212022132031 is a deficient number, since it is larger than the sum of its proper divisors (1).
212022132031 is an equidigital number, since it uses as much as digits as its factorization.
212022132031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 212022132031 its reverse (130231220212), we get a palindrome (342253352243).
The spelling of 212022132031 in words is "two hundred twelve billion, twenty-two million, one hundred thirty-two thousand, thirty-one".
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