Base | Representation |
---|---|
bin | 111000111101110000… |
… | …0111000100101010111 |
3 | 102200202110221000221112 |
4 | 1301323200320211113 |
5 | 4001013303132411 |
6 | 132110452205235 |
7 | 11560324624625 |
oct | 1617340704527 |
9 | 380673830845 |
10 | 122331302231 |
11 | 47975915a86 |
12 | 1b86060981b |
13 | b6c719c148 |
14 | 5cc6c02515 |
15 | 32ae9abb8b |
hex | 1c7b838957 |
122331302231 has 2 divisors, whose sum is σ = 122331302232. Its totient is φ = 122331302230.
The previous prime is 122331302227. The next prime is 122331302251. The reversal of 122331302231 is 132203133221.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 122331302231 - 22 = 122331302227 is a prime.
It is a super-2 number, since 2×1223313022312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122331302197 and 122331302206.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122331302221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61165651115 + 61165651116.
It is an arithmetic number, because the mean of its divisors is an integer number (61165651116).
Almost surely, 2122331302231 is an apocalyptic number.
122331302231 is a deficient number, since it is larger than the sum of its proper divisors (1).
122331302231 is an equidigital number, since it uses as much as digits as its factorization.
122331302231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 122331302231 its reverse (132203133221), we get a palindrome (254534435452).
The spelling of 122331302231 in words is "one hundred twenty-two billion, three hundred thirty-one million, three hundred two thousand, two hundred thirty-one".
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