Base | Representation |
---|---|
bin | 1110001100011100110101… |
… | …00011011100010100100110 |
3 | 11002112001002201021120021010 |
4 | 13012032122203130110212 |
5 | 13042403004300303332 |
6 | 150215322515203050 |
7 | 6401101000013616 |
oct | 706163243342446 |
9 | 132461081246233 |
10 | 31214120322342 |
11 | 9a4491a198331 |
12 | 36016098a6486 |
13 | 145562c243679 |
14 | 79cab2d4ca46 |
15 | 391e3e4639cc |
hex | 1c639a8dc526 |
31214120322342 has 128 divisors (see below), whose sum is σ = 67846134343680. Its totient is φ = 9541338624000.
The previous prime is 31214120322197. The next prime is 31214120322373. The reversal of 31214120322342 is 24322302141213.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 305212488 + ... + 305314740.
It is an arithmetic number, because the mean of its divisors is an integer number (530047924560).
Almost surely, 231214120322342 is an apocalyptic number.
31214120322342 is an abundant number, since it is smaller than the sum of its proper divisors (36632014021338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31214120322342 is a wasteful number, since it uses less digits than its factorization.
31214120322342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102830.
The product of its (nonzero) digits is 13824, while the sum is 30.
Adding to 31214120322342 its reverse (24322302141213), we get a palindrome (55536422463555).
The spelling of 31214120322342 in words is "thirty-one trillion, two hundred fourteen billion, one hundred twenty million, three hundred twenty-two thousand, three hundred forty-two".
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