Base | Representation |
---|---|
bin | 100011011110001011100011… |
… | …1010111110000010010110111 |
3 | 1111220201222120001210201021021 |
4 | 1012330113013113300102313 |
5 | 311343443011443023111 |
6 | 3023331553050402011 |
7 | 122502032331042313 |
oct | 10674270727602267 |
9 | 1456658501721237 |
10 | 312011244111031 |
11 | 90464253203373 |
12 | 2abb1a52430307 |
13 | 105136c347c12a |
14 | 57095d38aab43 |
15 | 26111dd98cd71 |
hex | 11bc5c75f04b7 |
312011244111031 has 8 divisors (see below), whose sum is σ = 326927892085344. Its totient is φ = 297207174612480.
The previous prime is 312011244111029. The next prime is 312011244111037. The reversal of 312011244111031 is 130111442110213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 312011244111031 - 21 = 312011244111029 is a prime.
It is a super-2 number, since 2×3120112441110312 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 312011244110987 and 312011244111005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312011244111037) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28144613266 + ... + 28144624351.
It is an arithmetic number, because the mean of its divisors is an integer number (40865986510668).
Almost surely, 2312011244111031 is an apocalyptic number.
312011244111031 is a deficient number, since it is larger than the sum of its proper divisors (14916647974313).
312011244111031 is a wasteful number, since it uses less digits than its factorization.
312011244111031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56289237881.
The product of its (nonzero) digits is 576, while the sum is 25.
Adding to 312011244111031 its reverse (130111442110213), we get a palindrome (442122686221244).
The spelling of 312011244111031 in words is "three hundred twelve trillion, eleven billion, two hundred forty-four million, one hundred eleven thousand, thirty-one".
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