Base | Representation |
---|---|
bin | 1110001100111011001100… |
… | …01110101011101101110001 |
3 | 11002120121011211101120121120 |
4 | 13012131212032223231301 |
5 | 13043134401104144241 |
6 | 150231020304012453 |
7 | 6402215656563420 |
oct | 706354616535561 |
9 | 132517154346546 |
10 | 31230422334321 |
11 | 9a50825261201 |
12 | 36047b9301129 |
13 | 14570297503c2 |
14 | 79d7bc0592b7 |
15 | 392595714666 |
hex | 1c67663abb71 |
31230422334321 has 64 divisors (see below), whose sum is σ = 48993171701760. Its totient is φ = 17325699094080.
The previous prime is 31230422334311. The next prime is 31230422334347. The reversal of 31230422334321 is 12343322403213.
It is not a de Polignac number, because 31230422334321 - 25 = 31230422334289 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31230422334311) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 317892210 + ... + 317990436.
It is an arithmetic number, because the mean of its divisors is an integer number (765518307840).
Almost surely, 231230422334321 is an apocalyptic number.
It is an amenable number.
31230422334321 is a deficient number, since it is larger than the sum of its proper divisors (17762749367439).
31230422334321 is a wasteful number, since it uses less digits than its factorization.
31230422334321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100874.
The product of its (nonzero) digits is 62208, while the sum is 33.
Adding to 31230422334321 its reverse (12343322403213), we get a palindrome (43573744737534).
The spelling of 31230422334321 in words is "thirty-one trillion, two hundred thirty billion, four hundred twenty-two million, three hundred thirty-four thousand, three hundred twenty-one".
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