Base | Representation |
---|---|
bin | 1110001100111010111111… |
… | …01110110111011010001001 |
3 | 11002120120220020021121020002 |
4 | 13012131133232313122021 |
5 | 13043134140203032223 |
6 | 150231001411412345 |
7 | 6402213164220446 |
oct | 706353756673211 |
9 | 132516806247202 |
10 | 31230313330313 |
11 | 9a5077977a949 |
12 | 36047888b40b5 |
13 | 145700cca64a6 |
14 | 79d7ab7a29cd |
15 | 39258ad81e28 |
hex | 1c675fbb7689 |
31230313330313 has 8 divisors (see below), whose sum is σ = 31237915141632. Its totient is φ = 31222711912896.
The previous prime is 31230313330261. The next prime is 31230313330331. The reversal of 31230313330313 is 31303331303213.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31230313330313 - 214 = 31230313313929 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31230313300313) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213063656 + ... + 213210182.
It is an arithmetic number, because the mean of its divisors is an integer number (3904739392704).
Almost surely, 231230313330313 is an apocalyptic number.
It is an amenable number.
31230313330313 is a deficient number, since it is larger than the sum of its proper divisors (7601811319).
31230313330313 is a wasteful number, since it uses less digits than its factorization.
31230313330313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196951.
The product of its (nonzero) digits is 13122, while the sum is 29.
Adding to 31230313330313 its reverse (31303331303213), we get a palindrome (62533644633526).
The spelling of 31230313330313 in words is "thirty-one trillion, two hundred thirty billion, three hundred thirteen million, three hundred thirty thousand, three hundred thirteen".
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