Base | Representation |
---|---|
bin | 110100100011001000110110… |
… | …110110011010010111101011 |
3 | 1010022022012100000222111101121 |
4 | 310203020312312122113223 |
5 | 220243024122232244321 |
6 | 2135311521444200111 |
7 | 66452241216405061 |
oct | 6443106666322753 |
9 | 1108265300874347 |
10 | 231113110431211 |
11 | 67704579806408 |
12 | 21b07329099037 |
13 | 9bc5b467017a8 |
14 | 410dd1174c031 |
15 | 1babbb07d1441 |
hex | d23236d9a5eb |
231113110431211 has 16 divisors (see below), whose sum is σ = 234494952307200. Its totient is φ = 227749903812288.
The previous prime is 231113110431199. The next prime is 231113110431241. The reversal of 231113110431211 is 112134011311132.
It is a cyclic number.
It is not a de Polignac number, because 231113110431211 - 225 = 231113076876779 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231113110431241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30828130 + ... + 37584568.
It is an arithmetic number, because the mean of its divisors is an integer number (14655934519200).
Almost surely, 2231113110431211 is an apocalyptic number.
231113110431211 is a deficient number, since it is larger than the sum of its proper divisors (3381841875989).
231113110431211 is an equidigital number, since it uses as much as digits as its factorization.
231113110431211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6757818.
The product of its (nonzero) digits is 432, while the sum is 25.
Adding to 231113110431211 its reverse (112134011311132), we get a palindrome (343247121742343).
The spelling of 231113110431211 in words is "two hundred thirty-one trillion, one hundred thirteen billion, one hundred ten million, four hundred thirty-one thousand, two hundred eleven".
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