Base | Representation |
---|---|
bin | 110100100010111101110001… |
… | …101101110100001001001111 |
3 | 1010022021001121220010001010202 |
4 | 310202331301231310021033 |
5 | 220242330241030200333 |
6 | 2135302233123524115 |
7 | 66451340333130452 |
oct | 6442756155641117 |
9 | 1108231556101122 |
10 | 231101213131343 |
11 | 676aa52401a985 |
12 | 21b04b6882963b |
13 | 9bc499b917799 |
14 | 410d503625499 |
15 | 1bab71609a5e8 |
hex | d22f71b7424f |
231101213131343 has 16 divisors (see below), whose sum is σ = 240636391826880. Its totient is φ = 221752221523200.
The previous prime is 231101213131289. The next prime is 231101213131381. The reversal of 231101213131343 is 343131312101132.
It is a cyclic number.
It is not a de Polignac number, because 231101213131343 - 226 = 231101146022479 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231101213130343) 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, 30855593 + ... + 37606781.
It is an arithmetic number, because the mean of its divisors is an integer number (15039774489180).
Almost surely, 2231101213131343 is an apocalyptic number.
231101213131343 is a deficient number, since it is larger than the sum of its proper divisors (9535178695537).
231101213131343 is a wasteful number, since it uses less digits than its factorization.
231101213131343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6764978.
The product of its (nonzero) digits is 3888, while the sum is 29.
Adding to 231101213131343 its reverse (343131312101132), we get a palindrome (574232525232475).
The spelling of 231101213131343 in words is "two hundred thirty-one trillion, one hundred one billion, two hundred thirteen million, one hundred thirty-one thousand, three hundred forty-three".
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