Base | Representation |
---|---|
bin | 1110001110111111001101… |
… | …10111101001001011100110 |
3 | 11002211101010102021200200010 |
4 | 13013133212313221023212 |
5 | 13100320030302012410 |
6 | 150323341351031050 |
7 | 6410305252224204 |
oct | 707374667511346 |
9 | 132741112250603 |
10 | 31301300032230 |
11 | 9a78896932748 |
12 | 361649a06b486 |
13 | 1460913983217 |
14 | 7a2dc3464074 |
15 | 394342de8c20 |
hex | 1c77e6de92e6 |
31301300032230 has 32 divisors (see below), whose sum is σ = 75222358071264. Its totient is φ = 8335986898176.
The previous prime is 31301300032213. The next prime is 31301300032237. The reversal of 31301300032230 is 3223000310313.
It is a junction number, because it is equal to n+sod(n) for n = 31301300032197 and 31301300032206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31301300032237) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689129647 + ... + 689175066.
It is an arithmetic number, because the mean of its divisors is an integer number (2350698689727).
Almost surely, 231301300032230 is an apocalyptic number.
31301300032230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31301300032230 is an abundant number, since it is smaller than the sum of its proper divisors (43921058039034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31301300032230 is a wasteful number, since it uses less digits than its factorization.
31301300032230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1378305480.
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 31301300032230 its reverse (3223000310313), we get a palindrome (34524300342543).
The spelling of 31301300032230 in words is "thirty-one trillion, three hundred one billion, three hundred million, thirty-two thousand, two hundred thirty".
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