Base | Representation |
---|---|
bin | 1110001100010111101000… |
… | …10111001110010001110000 |
3 | 11002111202220101202020221121 |
4 | 13012023310113032101300 |
5 | 13042331302004214412 |
6 | 150214142114032024 |
7 | 6400641622354243 |
oct | 706136427162160 |
9 | 132452811666847 |
10 | 31211332101232 |
11 | 9a43719325568 |
12 | 3600b6bb78614 |
13 | 14552a66ab8aa |
14 | 79c8ca91325a |
15 | 391d297a4107 |
hex | 1c62f45ce470 |
31211332101232 has 20 divisors (see below), whose sum is σ = 63101171422800. Its totient is φ = 14927158830848.
The previous prime is 31211332101217. The next prime is 31211332101253. The reversal of 31211332101232 is 23210123311213.
31211332101232 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×312113321012323 (a number of 41 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31211332101197 and 31211332101206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42406700857 + ... + 42406701592.
It is an arithmetic number, because the mean of its divisors is an integer number (3155058571140).
Almost surely, 231211332101232 is an apocalyptic number.
It is an amenable number.
31211332101232 is an abundant number, since it is smaller than the sum of its proper divisors (31889839321568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31211332101232 is a wasteful number, since it uses less digits than its factorization.
31211332101232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84813402480 (or 84813402474 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 25.
Adding to 31211332101232 its reverse (23210123311213), we get a palindrome (54421455412445).
The spelling of 31211332101232 in words is "thirty-one trillion, two hundred eleven billion, three hundred thirty-two million, one hundred one thousand, two hundred thirty-two".
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