Base | Representation |
---|---|
bin | 1100010010000111100… |
… | …1000011001110000111 |
3 | 202011200111010100110211 |
4 | 3010201321003032013 |
5 | 11424133113013111 |
6 | 240535301500251 |
7 | 21150215261542 |
oct | 3044171031607 |
9 | 664614110424 |
10 | 211022001031 |
11 | 81548466766 |
12 | 34a92a11687 |
13 | 16b8c97a98a |
14 | a2dbc7b859 |
15 | 5750e0c521 |
hex | 3121e43387 |
211022001031 has 2 divisors, whose sum is σ = 211022001032. Its totient is φ = 211022001030.
The previous prime is 211022001019. The next prime is 211022001041. The reversal of 211022001031 is 130100220112.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 211022001031 - 223 = 211013612423 is a prime.
It is a super-2 number, since 2×2110220010312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (211022001041) 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, 105511000515 + 105511000516.
It is an arithmetic number, because the mean of its divisors is an integer number (105511000516).
Almost surely, 2211022001031 is an apocalyptic number.
211022001031 is a deficient number, since it is larger than the sum of its proper divisors (1).
211022001031 is an equidigital number, since it uses as much as digits as its factorization.
211022001031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 211022001031 its reverse (130100220112), we get a palindrome (341122221143).
The spelling of 211022001031 in words is "two hundred eleven billion, twenty-two million, one thousand, thirty-one".
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