Base | Representation |
---|---|
bin | 1110001111001111101010… |
… | …10011110011100001000011 |
3 | 11002212012220221121211120212 |
4 | 13013213311103303201003 |
5 | 13100441122322331321 |
6 | 150331402015424335 |
7 | 6411040156532432 |
oct | 707476523634103 |
9 | 132765827554525 |
10 | 31310132230211 |
11 | 9a8160943281a |
12 | 3618143b250ab |
13 | 14616c0740783 |
14 | 7a35c0479119 |
15 | 3946ad4cb55b |
hex | 1c79f54f3843 |
31310132230211 has 8 divisors (see below), whose sum is σ = 31721033403600. Its totient is φ = 30901907937888.
The previous prime is 31310132230199. The next prime is 31310132230217. The reversal of 31310132230211 is 11203223101313.
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 31310132230211 - 26 = 31310132230147 is a prime.
It is a super-2 number, since 2×313101322302112 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31310132230217) 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, 669196721 + ... + 669243506.
It is an arithmetic number, because the mean of its divisors is an integer number (3965129175450).
Almost surely, 231310132230211 is an apocalyptic number.
31310132230211 is a deficient number, since it is larger than the sum of its proper divisors (410901173389).
31310132230211 is a wasteful number, since it uses less digits than its factorization.
31310132230211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1338440533.
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 31310132230211 its reverse (11203223101313), we get a palindrome (42513355331524).
The spelling of 31310132230211 in words is "thirty-one trillion, three hundred ten billion, one hundred thirty-two million, two hundred thirty thousand, two hundred eleven".
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