Base | Representation |
---|---|
bin | 10001110010001011100… |
… | …011010011111111101111 |
3 | 11022211111002100012100122 |
4 | 101302023203103333233 |
5 | 130010341133031111 |
6 | 2333232553315155 |
7 | 154203034422164 |
oct | 21621343237757 |
9 | 4284432305318 |
10 | 1222112002031 |
11 | 431327401538 |
12 | 178a2aa05abb |
13 | 8b3246c338b |
14 | 4321710206b |
15 | 21bcb08ecdb |
hex | 11c8b8d3fef |
1222112002031 has 2 divisors, whose sum is σ = 1222112002032. Its totient is φ = 1222112002030.
The previous prime is 1222112001989. The next prime is 1222112002109. The reversal of 1222112002031 is 1302002112221.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1222112002031 - 222 = 1222107807727 is a prime.
It is a super-2 number, since 2×12221120020312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1222112002231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611056001015 + 611056001016.
It is an arithmetic number, because the mean of its divisors is an integer number (611056001016).
Almost surely, 21222112002031 is an apocalyptic number.
1222112002031 is a deficient number, since it is larger than the sum of its proper divisors (1).
1222112002031 is an equidigital number, since it uses as much as digits as its factorization.
1222112002031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 1222112002031 its reverse (1302002112221), we get a palindrome (2524114114252).
The spelling of 1222112002031 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, two thousand, thirty-one".
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