Base | Representation |
---|---|
bin | 11101110010100110010010… |
… | …001111111010110111111011 |
3 | 122011220102122002222121212221 |
4 | 131302212102033322313323 |
5 | 114133114320314330243 |
6 | 1142353542143544511 |
7 | 36411625264166260 |
oct | 3562462217726773 |
9 | 564812562877787 |
10 | 131020431011323 |
11 | 388244a8679347 |
12 | 128407792bb137 |
13 | 5815234607329 |
14 | 244d5cbc45267 |
15 | 102321e817bed |
hex | 7729923fadfb |
131020431011323 has 8 divisors (see below), whose sum is σ = 149871688839392. Its totient is φ = 112202686532736.
The previous prime is 131020431011321. The next prime is 131020431011339. The reversal of 131020431011323 is 323110134020131.
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 131020431011323 - 21 = 131020431011321 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131020431011321) 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, 8378328990 + ... + 8378344627.
It is an arithmetic number, because the mean of its divisors is an integer number (18733961104924).
Almost surely, 2131020431011323 is an apocalyptic number.
131020431011323 is a deficient number, since it is larger than the sum of its proper divisors (18851257828069).
131020431011323 is a wasteful number, since it uses less digits than its factorization.
131020431011323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16756674741.
The product of its (nonzero) digits is 1296, while the sum is 25.
Adding to 131020431011323 its reverse (323110134020131), we get a palindrome (454130565031454).
The spelling of 131020431011323 in words is "one hundred thirty-one trillion, twenty billion, four hundred thirty-one million, eleven thousand, three hundred twenty-three".
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