Base | Representation |
---|---|
bin | 1110001100101101110100… |
… | …01001100100001010110001 |
3 | 11002112220122022012200100222 |
4 | 13012112322021210022301 |
5 | 13043030144012003431 |
6 | 150223431505022425 |
7 | 6401543000640011 |
oct | 706267211441261 |
9 | 132486568180328 |
10 | 31223240344241 |
11 | 9a4877a205810 |
12 | 3603334024a15 |
13 | 145645382782a |
14 | 79d2da287c41 |
15 | 3922c4e4c57b |
hex | 1c65ba2642b1 |
31223240344241 has 4 divisors (see below), whose sum is σ = 34061716739184. Its totient is φ = 28384763949300.
The previous prime is 31223240344229. The next prime is 31223240344273. The reversal of 31223240344241 is 14244304232213.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 31223240344241 - 214 = 31223240327857 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31223240340241) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1419238197455 + ... + 1419238197476.
It is an arithmetic number, because the mean of its divisors is an integer number (8515429184796).
Almost surely, 231223240344241 is an apocalyptic number.
It is an amenable number.
31223240344241 is a deficient number, since it is larger than the sum of its proper divisors (2838476394943).
31223240344241 is a wasteful number, since it uses less digits than its factorization.
31223240344241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2838476394942.
The product of its (nonzero) digits is 110592, while the sum is 35.
Adding to 31223240344241 its reverse (14244304232213), we get a palindrome (45467544576454).
The spelling of 31223240344241 in words is "thirty-one trillion, two hundred twenty-three billion, two hundred forty million, three hundred forty-four thousand, two hundred forty-one".
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