Base | Representation |
---|---|
bin | 1001000111000001110… |
… | …11011001100101111101 |
3 | 1002220221022000012202101 |
4 | 10203200323121211331 |
5 | 20112021344004041 |
6 | 355443450425101 |
7 | 31420466155501 |
oct | 4434073314575 |
9 | 1086838005671 |
10 | 313011313021 |
11 | 1108247a9360 |
12 | 507b6a32191 |
13 | 236946619b4 |
14 | 112151b4301 |
15 | 821eae7b31 |
hex | 48e0ed997d |
313011313021 has 8 divisors (see below), whose sum is σ = 341999604288. Its totient is φ = 284111808000.
The previous prime is 313011313003. The next prime is 313011313039. The reversal of 313011313021 is 120313110313.
It is an interprime number because it is at equal distance from previous prime (313011313003) and next prime (313011313039).
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 313011313021 - 211 = 313011310973 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 313011313021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313011313091) 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, 22189185 + ... + 22203286.
It is an arithmetic number, because the mean of its divisors is an integer number (42749950536).
Almost surely, 2313011313021 is an apocalyptic number.
It is an amenable number.
313011313021 is a deficient number, since it is larger than the sum of its proper divisors (28988291267).
313011313021 is a wasteful number, since it uses less digits than its factorization.
313011313021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44393123.
The product of its (nonzero) digits is 162, while the sum is 19.
Adding to 313011313021 its reverse (120313110313), we get a palindrome (433324423334).
The spelling of 313011313021 in words is "three hundred thirteen billion, eleven million, three hundred thirteen thousand, twenty-one".
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