Base | Representation |
---|---|
bin | 1110001100111010110011… |
… | …10001010010101110100001 |
3 | 11002120120122021001200211020 |
4 | 13012131121301102232201 |
5 | 13043133434101200301 |
6 | 150230543435440053 |
7 | 6402210541053303 |
oct | 706353161225641 |
9 | 132516567050736 |
10 | 31230213303201 |
11 | 9a50728270010 |
12 | 360475b2b6029 |
13 | 1456cc5353553 |
14 | 79d79c3a5973 |
15 | 3925821c4436 |
hex | 1c6759c52ba1 |
31230213303201 has 32 divisors (see below), whose sum is σ = 46484435627520. Its totient is φ = 18486331920000.
The previous prime is 31230213303173. The next prime is 31230213303217. The reversal of 31230213303201 is 10230331203213.
It is not a de Polignac number, because 31230213303201 - 233 = 31221623368609 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31230213303281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29276430 + ... + 30324408.
It is an arithmetic number, because the mean of its divisors is an integer number (1452638613360).
Almost surely, 231230213303201 is an apocalyptic number.
It is an amenable number.
31230213303201 is a deficient number, since it is larger than the sum of its proper divisors (15254222324319).
31230213303201 is a wasteful number, since it uses less digits than its factorization.
31230213303201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1069037.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 31230213303201 its reverse (10230331203213), we get a palindrome (41460544506414).
The spelling of 31230213303201 in words is "thirty-one trillion, two hundred thirty billion, two hundred thirteen million, three hundred three thousand, two hundred one".
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