Base | Representation |
---|---|
bin | 101111000010111101… |
… | …1100011111100100111 |
3 | 100122210001002022121111 |
4 | 1132011323203330213 |
5 | 3123402443400041 |
6 | 114225121525451 |
7 | 10204435203445 |
oct | 1360573437447 |
9 | 318701068544 |
10 | 101031231271 |
11 | 39935550453 |
12 | 176b71a3887 |
13 | 96b1363169 |
14 | 4c65dbbb95 |
15 | 2964a39981 |
hex | 1785ee3f27 |
101031231271 has 2 divisors, whose sum is σ = 101031231272. Its totient is φ = 101031231270.
The previous prime is 101031231209. The next prime is 101031231347. The reversal of 101031231271 is 172132130101.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 101031231271 - 217 = 101031100199 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (101031231871) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50515615635 + 50515615636.
It is an arithmetic number, because the mean of its divisors is an integer number (50515615636).
Almost surely, 2101031231271 is an apocalyptic number.
101031231271 is a deficient number, since it is larger than the sum of its proper divisors (1).
101031231271 is an equidigital number, since it uses as much as digits as its factorization.
101031231271 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 252, while the sum is 22.
Adding to 101031231271 its reverse (172132130101), we get a palindrome (273163361372).
The spelling of 101031231271 in words is "one hundred one billion, thirty-one million, two hundred thirty-one thousand, two hundred seventy-one".
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