Base | Representation |
---|---|
bin | 110100100001101001000001… |
… | …100101100000000010000111 |
3 | 1010021221100201211011122222121 |
4 | 310201221001211200002013 |
5 | 220234332403100112411 |
6 | 2135152343115310411 |
7 | 66441636250451002 |
oct | 6441510145400207 |
9 | 1107840654148877 |
10 | 231010211332231 |
11 | 67674975967341 |
12 | 21aab3b044b407 |
13 | 9bb92283a8486 |
14 | 4108d4d66c539 |
15 | 1ba918bcd4571 |
hex | d21a41960087 |
231010211332231 has 16 divisors (see below), whose sum is σ = 232458876651456. Its totient is φ = 229564172630016.
The previous prime is 231010211332213. The next prime is 231010211332261. The reversal of 231010211332231 is 132233112010132.
It is a cyclic number.
It is not a de Polignac number, because 231010211332231 - 221 = 231010209235079 is a prime.
It is a super-2 number, since 2×2310102113322312 (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 = 231010211332196 and 231010211332205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231010211332261) 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 15 ways as a sum of consecutive naturals, for example, 3766460641 + ... + 3766521973.
It is an arithmetic number, because the mean of its divisors is an integer number (14528679790716).
Almost surely, 2231010211332231 is an apocalyptic number.
231010211332231 is a deficient number, since it is larger than the sum of its proper divisors (1448665319225).
231010211332231 is a wasteful number, since it uses less digits than its factorization.
231010211332231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82362.
The product of its (nonzero) digits is 1296, while the sum is 25.
Adding to 231010211332231 its reverse (132233112010132), we get a palindrome (363243323342363).
The spelling of 231010211332231 in words is "two hundred thirty-one trillion, ten billion, two hundred eleven million, three hundred thirty-two thousand, two hundred thirty-one".
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