Base | Representation |
---|---|
bin | 1110001100111010111111… |
… | …00011011010111111010100 |
3 | 11002120120220000122012000101 |
4 | 13012131133203122333110 |
5 | 13043134133421032244 |
6 | 150231001223223444 |
7 | 6402213126554230 |
oct | 706353743327724 |
9 | 132516800565011 |
10 | 31230310330324 |
11 | 9a50778010a16 |
12 | 36047878a7b84 |
13 | 145700c495b51 |
14 | 79d7ab2215c0 |
15 | 39258a98d0d4 |
hex | 1c675f8dafd4 |
31230310330324 has 48 divisors (see below), whose sum is σ = 63765643592448. Its totient is φ = 13105775075328.
The previous prime is 31230310330187. The next prime is 31230310330337. The reversal of 31230310330324 is 42303301303213.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a junction number, because it is equal to n+sod(n) for n = 31230310330292 and 31230310330301.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20172717 + ... + 21665620.
It is an arithmetic number, because the mean of its divisors is an integer number (1328450908176).
Almost surely, 231230310330324 is an apocalyptic number.
It is an amenable number.
31230310330324 is an abundant number, since it is smaller than the sum of its proper divisors (32535333262124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31230310330324 is a wasteful number, since it uses less digits than its factorization.
31230310330324 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41838904 (or 41838902 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 28.
Adding to 31230310330324 its reverse (42303301303213), we get a palindrome (73533611633537).
The spelling of 31230310330324 in words is "thirty-one trillion, two hundred thirty billion, three hundred ten million, three hundred thirty thousand, three hundred twenty-four".
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