Base | Representation |
---|---|
bin | 1001000111011001101… |
… | …01001010010110100001 |
3 | 1002221110012202120201110 |
4 | 10203230311022112201 |
5 | 20112424004114241 |
6 | 355515342453533 |
7 | 31425442416045 |
oct | 4435465122641 |
9 | 1087405676643 |
10 | 313211004321 |
11 | 1109174a0396 |
12 | 508518942a9 |
13 | 236c6b3b627 |
14 | 11233916025 |
15 | 82323e0816 |
hex | 48ecd4a5a1 |
313211004321 has 8 divisors (see below), whose sum is σ = 417618170464. Its totient is φ = 208805587200.
The previous prime is 313211004299. The next prime is 313211004347. The reversal of 313211004321 is 123400112313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 313211004321 - 25 = 313211004289 is a prime.
It is a super-2 number, since 2×3132110043212 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (313211004361) 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, 62046 + ... + 793896.
It is an arithmetic number, because the mean of its divisors is an integer number (52202271308).
Almost surely, 2313211004321 is an apocalyptic number.
It is an amenable number.
313211004321 is a deficient number, since it is larger than the sum of its proper divisors (104407166143).
313211004321 is a wasteful number, since it uses less digits than its factorization.
313211004321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 874511.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 313211004321 its reverse (123400112313), we get a palindrome (436611116634).
The spelling of 313211004321 in words is "three hundred thirteen billion, two hundred eleven million, four thousand, three hundred twenty-one".
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