Base | Representation |
---|---|
bin | 111101000000001100… |
… | …1100011011011001110 |
3 | 110112010211122010222221 |
4 | 1322000121203123032 |
5 | 4121243304414410 |
6 | 140103153125554 |
7 | 12315244560166 |
oct | 1720031433316 |
9 | 415124563887 |
10 | 131003201230 |
11 | 5061598a060 |
12 | 214808598ba |
13 | c479992b25 |
14 | 64aa80b5a6 |
15 | 361ae784da |
hex | 1e806636ce |
131003201230 has 64 divisors (see below), whose sum is σ = 266853242880. Its totient is φ = 45887212800.
The previous prime is 131003201171. The next prime is 131003201261. The reversal of 131003201230 is 32102300131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172447 + ... + 540133.
It is an arithmetic number, because the mean of its divisors is an integer number (4169581920).
Almost surely, 2131003201230 is an apocalyptic number.
131003201230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131003201230 is an abundant number, since it is smaller than the sum of its proper divisors (135850041650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131003201230 is a wasteful number, since it uses less digits than its factorization.
131003201230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 367825.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 131003201230 its reverse (32102300131), we get a palindrome (163105501361).
It can be divided in two parts, 131003 and 201230, that added together give a palindrome (332233).
The spelling of 131003201230 in words is "one hundred thirty-one billion, three million, two hundred one thousand, two hundred thirty".
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