Base | Representation |
---|---|
bin | 1101011101101100101… |
… | …0000111110000100011 |
3 | 211010001101211002122200 |
4 | 3113123022013300203 |
5 | 12242210343131321 |
6 | 254132402504243 |
7 | 22466036444316 |
oct | 3273312076043 |
9 | 733041732580 |
10 | 231310130211 |
11 | 8a1095a1476 |
12 | 389b5365083 |
13 | 18a73c58144 |
14 | b2a452697d |
15 | 603c0ded26 |
hex | 35db287c23 |
231310130211 has 6 divisors (see below), whose sum is σ = 334114632540. Its totient is φ = 154206753468.
The previous prime is 231310130189. The next prime is 231310130221. The reversal of 231310130211 is 112031013132.
231310130211 is a `hidden beast` number, since 2 + 313 + 10 + 130 + 211 = 666.
It is not a de Polignac number, because 231310130211 - 230 = 230236388387 is a prime.
It is not an unprimeable number, because it can be changed into a prime (231310130221) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12850562781 + ... + 12850562798.
It is an arithmetic number, because the mean of its divisors is an integer number (55685772090).
Almost surely, 2231310130211 is an apocalyptic number.
231310130211 is a deficient number, since it is larger than the sum of its proper divisors (102804502329).
231310130211 is a wasteful number, since it uses less digits than its factorization.
231310130211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25701125585 (or 25701125582 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 231310130211 its reverse (112031013132), we get a palindrome (343341143343).
The spelling of 231310130211 in words is "two hundred thirty-one billion, three hundred ten million, one hundred thirty thousand, two hundred eleven".
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