Base | Representation |
---|---|
bin | 11101000100111110… |
… | …100100100010010110 |
3 | 2222120220202011121221 |
4 | 131010332210202112 |
5 | 1002420314234332 |
6 | 22202044200554 |
7 | 2153465554015 |
oct | 350476444226 |
9 | 88526664557 |
10 | 31222024342 |
11 | 12272023003 |
12 | 607423915a |
13 | 2c375cb222 |
14 | 172286ca7c |
15 | c2b065297 |
hex | 744fa4896 |
31222024342 has 16 divisors (see below), whose sum is σ = 47443464000. Its totient is φ = 15407683200.
The previous prime is 31222024289. The next prime is 31222024363. The reversal of 31222024342 is 24342022213.
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, 407284 + ... + 477832.
It is an arithmetic number, because the mean of its divisors is an integer number (2965216500).
Almost surely, 231222024342 is an apocalyptic number.
31222024342 is a deficient number, since it is larger than the sum of its proper divisors (16221439658).
31222024342 is a wasteful number, since it uses less digits than its factorization.
31222024342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73431.
The product of its (nonzero) digits is 4608, while the sum is 25.
Adding to 31222024342 its reverse (24342022213), we get a palindrome (55564046555).
The spelling of 31222024342 in words is "thirty-one billion, two hundred twenty-two million, twenty-four thousand, three hundred forty-two".
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