Base | Representation |
---|---|
bin | 10001110010010111011… |
… | …110010111011100011111 |
3 | 11022212000000201202221011 |
4 | 101302113132113130133 |
5 | 130011243340011111 |
6 | 2333304500520051 |
7 | 154211013563056 |
oct | 21622736273437 |
9 | 4285000652834 |
10 | 1222312032031 |
11 | 43141a304a92 |
12 | 178a859b0027 |
13 | 8b356c8b21c |
14 | 432358d139d |
15 | 21bdd903021 |
hex | 11c9779771f |
1222312032031 has 2 divisors, whose sum is σ = 1222312032032. Its totient is φ = 1222312032030.
The previous prime is 1222312032023. The next prime is 1222312032041. The reversal of 1222312032031 is 1302302132221.
It is a weak prime.
It is an emirp because it is prime and its reverse (1302302132221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1222312032031 - 23 = 1222312032023 is a prime.
It is a super-2 number, since 2×12223120320312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1222312031993 and 1222312032011.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1222312032001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611156016015 + 611156016016.
It is an arithmetic number, because the mean of its divisors is an integer number (611156016016).
Almost surely, 21222312032031 is an apocalyptic number.
1222312032031 is a deficient number, since it is larger than the sum of its proper divisors (1).
1222312032031 is an equidigital number, since it uses as much as digits as its factorization.
1222312032031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 1222312032031 its reverse (1302302132221), we get a palindrome (2524614164252).
The spelling of 1222312032031 in words is "one trillion, two hundred twenty-two billion, three hundred twelve million, thirty-two thousand, thirty-one".
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