Base | Representation |
---|---|
bin | 1001000111000011010… |
… | …00101111111111001111 |
3 | 1002220222010101012022110 |
4 | 10203201220233333033 |
5 | 20112032414414411 |
6 | 355444553315103 |
7 | 31421002211136 |
oct | 4434150577717 |
9 | 1086863335273 |
10 | 313023201231 |
11 | 110830489124 |
12 | 507baa05a93 |
13 | 23696c64b40 |
14 | 112169ca91d |
15 | 8220b952a6 |
hex | 48e1a2ffcf |
313023201231 has 8 divisors (see below), whose sum is σ = 449469212080. Its totient is φ = 192629662272.
The previous prime is 313023201209. The next prime is 313023201247. The reversal of 313023201231 is 132102320313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 313023201231 - 25 = 313023201199 is a prime.
It is a super-2 number, since 2×3130232012312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 313023201198 and 313023201207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313023211231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4013117926 + ... + 4013118003.
It is an arithmetic number, because the mean of its divisors is an integer number (56183651510).
Almost surely, 2313023201231 is an apocalyptic number.
313023201231 is a deficient number, since it is larger than the sum of its proper divisors (136446010849).
313023201231 is a wasteful number, since it uses less digits than its factorization.
313023201231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8026235945.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 313023201231 its reverse (132102320313), we get a palindrome (445125521544).
The spelling of 313023201231 in words is "three hundred thirteen billion, twenty-three million, two hundred one thousand, two hundred thirty-one".
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