Base | Representation |
---|---|
bin | 101100000110110110111… |
… | …100011001110001111111 |
3 | 101201202121002012002201011 |
4 | 230012312330121301333 |
5 | 344130012413344411 |
6 | 10240233144100051 |
7 | 431661350241340 |
oct | 54066674316177 |
9 | 11652532162634 |
10 | 3031021231231 |
11 | a694a3514964 |
12 | 40b522a64627 |
13 | 18ca93656b26 |
14 | a69b8c180c7 |
15 | 53c9cd44c21 |
hex | 2c1b6f19c7f |
3031021231231 has 16 divisors (see below), whose sum is σ = 3668721168384. Its totient is φ = 2444573084544.
The previous prime is 3031021231201. The next prime is 3031021231241. The reversal of 3031021231231 is 1321321201303.
It is a cyclic number.
It is not a de Polignac number, because 3031021231231 - 215 = 3031021198463 is a prime.
It is a super-2 number, since 2×30310212312312 (a number of 26 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3031021231201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2760655 + ... + 3699088.
It is an arithmetic number, because the mean of its divisors is an integer number (229295073024).
Almost surely, 23031021231231 is an apocalyptic number.
3031021231231 is a deficient number, since it is larger than the sum of its proper divisors (637699937153).
3031021231231 is a wasteful number, since it uses less digits than its factorization.
3031021231231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6463710.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 3031021231231 its reverse (1321321201303), we get a palindrome (4352342432534).
The spelling of 3031021231231 in words is "three trillion, thirty-one billion, twenty-one million, two hundred thirty-one thousand, two hundred thirty-one".
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