Base | Representation |
---|---|
bin | 110100100001100010100000… |
… | …011001010000000100001111 |
3 | 1010021220200200000201212102111 |
4 | 310201202200121100010033 |
5 | 220234224034234201111 |
6 | 2135145224404004451 |
7 | 66441300640343551 |
oct | 6441424031200417 |
9 | 1107820600655374 |
10 | 231003212022031 |
11 | 67671a03a43a59 |
12 | 21aa9b78390727 |
13 | 9bb86812844c7 |
14 | 4108887c514d1 |
15 | 1ba8dcc5a4a21 |
hex | d218a065010f |
231003212022031 has 8 divisors (see below), whose sum is σ = 235363732308144. Its totient is φ = 226642764666240.
The previous prime is 231003212022017. The next prime is 231003212022083. The reversal of 231003212022031 is 130220212300132.
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 231003212022031 - 25 = 231003212021999 is a prime.
It is a super-2 number, since 2×2310032120220312 (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 = 231003212021993 and 231003212022011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231003212052031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11816781 + ... + 24528406.
It is an arithmetic number, because the mean of its divisors is an integer number (29420466538518).
Almost surely, 2231003212022031 is an apocalyptic number.
231003212022031 is a deficient number, since it is larger than the sum of its proper divisors (4360520286113).
231003212022031 is a wasteful number, since it uses less digits than its factorization.
231003212022031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36465161.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 231003212022031 its reverse (130220212300132), we get a palindrome (361223424322163).
The spelling of 231003212022031 in words is "two hundred thirty-one trillion, three billion, two hundred twelve million, twenty-two thousand, thirty-one".
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