Base | Representation |
---|---|
bin | 110100100011000110111111… |
… | …110010110100100101100001 |
3 | 1010022022000011211110112200111 |
4 | 310203012333302310211201 |
5 | 220243011024412020223 |
6 | 2135310551332251321 |
7 | 66452140553466226 |
oct | 6443067762644541 |
9 | 1108260154415614 |
10 | 231111113001313 |
11 | 677037442647a6 |
12 | 21b06a70170b41 |
13 | 9bc58b89471cc |
14 | 410dba236194d |
15 | 1babae527a30d |
hex | d231bfcb4961 |
231111113001313 has 8 divisors (see below), whose sum is σ = 232119268245000. Its totient is φ = 230104274749440.
The previous prime is 231111113001287. The next prime is 231111113001341. The reversal of 231111113001313 is 313100311111132.
It can be written as a sum of positive squares in 4 ways, for example, as 71110294366864 + 160000818634449 = 8432692^2 + 12649143^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 231111113001313 - 25 = 231111113001281 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231111113001113) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328896220 + ... + 329598157.
It is an arithmetic number, because the mean of its divisors is an integer number (29014908530625).
Almost surely, 2231111113001313 is an apocalyptic number.
It is an amenable number.
231111113001313 is a deficient number, since it is larger than the sum of its proper divisors (1008155243687).
231111113001313 is a wasteful number, since it uses less digits than its factorization.
231111113001313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 658495907.
The product of its (nonzero) digits is 162, while the sum is 22.
Adding to 231111113001313 its reverse (313100311111132), we get a palindrome (544211424112445).
The spelling of 231111113001313 in words is "two hundred thirty-one trillion, one hundred eleven billion, one hundred thirteen million, one thousand, three hundred thirteen".
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