Base | Representation |
---|---|
bin | 1101011101101100101… |
… | …0110011111100100001 |
3 | 211010001102011021221000 |
4 | 3113123022303330201 |
5 | 12242210414424301 |
6 | 254132410422213 |
7 | 22466041130064 |
oct | 3273312637441 |
9 | 733042137830 |
10 | 231310311201 |
11 | 8a109705452 |
12 | 389b5431969 |
13 | 18a73cbc638 |
14 | b2a45728db |
15 | 603c128786 |
hex | 35db2b3f21 |
231310311201 has 64 divisors (see below), whose sum is σ = 354329395200. Its totient is φ = 149054904000.
The previous prime is 231310311161. The next prime is 231310311251. The reversal of 231310311201 is 102113013132.
231310311201 is a `hidden beast` number, since 23 + 1 + 310 + 311 + 20 + 1 = 666.
It is not a de Polignac number, because 231310311201 - 222 = 231306116897 is a prime.
It is not an unprimeable number, because it can be changed into a prime (231310311251) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56264136 + ... + 56268246.
It is an arithmetic number, because the mean of its divisors is an integer number (5536396800).
Almost surely, 2231310311201 is an apocalyptic number.
It is an amenable number.
231310311201 is a deficient number, since it is larger than the sum of its proper divisors (123019083999).
231310311201 is a wasteful number, since it uses less digits than its factorization.
231310311201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4707 (or 4701 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 231310311201 its reverse (102113013132), we get a palindrome (333423324333).
The spelling of 231310311201 in words is "two hundred thirty-one billion, three hundred ten million, three hundred eleven thousand, two hundred one".
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