Base | Representation |
---|---|
bin | 11101000100100000… |
… | …110101101110010110 |
3 | 2222120101002012101020 |
4 | 131010200311232112 |
5 | 1002411320333142 |
6 | 22201205142010 |
7 | 2153342403144 |
oct | 350440655626 |
9 | 88511065336 |
10 | 31214230422 |
11 | 1226868a351 |
12 | 60716ba906 |
13 | 2c35acc83b |
14 | 1721800594 |
15 | c2a525cec |
hex | 744835b96 |
31214230422 has 16 divisors (see below), whose sum is σ = 62649059520. Its totient is φ = 10367977032.
The previous prime is 31214230409. The next prime is 31214230459. The reversal of 31214230422 is 22403241213.
It is a happy number.
It is a super-3 number, since 3×312142304223 (a number of 32 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31214230392 and 31214230401.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9189772 + ... + 9193167.
It is an arithmetic number, because the mean of its divisors is an integer number (3915566220).
Almost surely, 231214230422 is an apocalyptic number.
31214230422 is an abundant number, since it is smaller than the sum of its proper divisors (31434829098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31214230422 is a wasteful number, since it uses less digits than its factorization.
31214230422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18383227.
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 31214230422 its reverse (22403241213), we get a palindrome (53617471635).
The spelling of 31214230422 in words is "thirty-one billion, two hundred fourteen million, two hundred thirty thousand, four hundred twenty-two".
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