Base | Representation |
---|---|
bin | 1110001101001101000100… |
… | …10110110001011010000101 |
3 | 11002121111221210000110012021 |
4 | 13012212202112301122011 |
5 | 13043314030340203331 |
6 | 150235244553123141 |
7 | 6403005562230535 |
oct | 706464226613205 |
9 | 132544853013167 |
10 | 31240021022341 |
11 | 9a5490049461a |
12 | 36066379b94b1 |
13 | 1457bc925a061 |
14 | 7a004cb954c5 |
15 | 392958250211 |
hex | 1c69a25b1685 |
31240021022341 has 2 divisors, whose sum is σ = 31240021022342. Its totient is φ = 31240021022340.
The previous prime is 31240021022323. The next prime is 31240021022387. The reversal of 31240021022341 is 14322012004213.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 23956580546116 + 7283440476225 = 4894546^2 + 2698785^2 .
It is a cyclic number.
It is not a de Polignac number, because 31240021022341 - 217 = 31240020891269 is a prime.
It is a super-2 number, since 2×312400210223412 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31240021025341) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15620010511170 + 15620010511171.
It is an arithmetic number, because the mean of its divisors is an integer number (15620010511171).
Almost surely, 231240021022341 is an apocalyptic number.
It is an amenable number.
31240021022341 is a deficient number, since it is larger than the sum of its proper divisors (1).
31240021022341 is an equidigital number, since it uses as much as digits as its factorization.
31240021022341 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 31240021022341 its reverse (14322012004213), we get a palindrome (45562033026554).
The spelling of 31240021022341 in words is "thirty-one trillion, two hundred forty billion, twenty-one million, twenty-two thousand, three hundred forty-one".
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