Base | Representation |
---|---|
bin | 1110001111000000100001… |
… | …01010110011101000010110 |
3 | 11002211102221021212022020101 |
4 | 13013200100222303220112 |
5 | 13100322444313411410 |
6 | 150323535121524314 |
7 | 6410331526050400 |
oct | 707402052635026 |
9 | 132742837768211 |
10 | 31302001310230 |
11 | 9a79116775242 |
12 | 3616654aa369a |
13 | 14609c604c211 |
14 | 7a304c651b70 |
15 | 39438476ed3a |
hex | 1c7810ab3a16 |
31302001310230 has 96 divisors (see below), whose sum is σ = 69006086408160. Its totient is φ = 10165215191040.
The previous prime is 31302001310227. The next prime is 31302001310351. The reversal of 31302001310230 is 3201310020313.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a junction number, because it is equal to n+sod(n) for n = 31302001310198 and 31302001310207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46148140 + ... + 46821520.
It is an arithmetic number, because the mean of its divisors is an integer number (718813400085).
Almost surely, 231302001310230 is an apocalyptic number.
31302001310230 is an abundant number, since it is smaller than the sum of its proper divisors (37704085097930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31302001310230 is a wasteful number, since it uses less digits than its factorization.
31302001310230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 678414 (or 678407 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 31302001310230 its reverse (3201310020313), we get a palindrome (34503311330543).
The spelling of 31302001310230 in words is "thirty-one trillion, three hundred two billion, one million, three hundred ten thousand, two hundred thirty".
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