Base | Representation |
---|---|
bin | 11101110111000111110100… |
… | …001001110101110101100111 |
3 | 122020000011001212222001012200 |
4 | 131313013310021311311213 |
5 | 114203213011133332221 |
6 | 1143152434345545543 |
7 | 36443242215354663 |
oct | 3567076411656547 |
9 | 566004055861180 |
10 | 131331311230311 |
11 | 38934329431165 |
12 | 12890a7a4a52b3 |
13 | 58386495b222a |
14 | 246067dd978a3 |
15 | 102b3672a5426 |
hex | 7771f4275d67 |
131331311230311 has 24 divisors (see below), whose sum is σ = 195688402466544. Its totient is φ = 84833535980160.
The previous prime is 131331311230309. The next prime is 131331311230321. The reversal of 131331311230311 is 113032113133131.
131331311230311 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 3 + 1 + 311 + 2 + 30 + 311 = 666.
It is not a de Polignac number, because 131331311230311 - 21 = 131331311230309 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131331311230321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1785180726 + ... + 1785254291.
It is an arithmetic number, because the mean of its divisors is an integer number (8153683436106).
Almost surely, 2131331311230311 is an apocalyptic number.
131331311230311 is a deficient number, since it is larger than the sum of its proper divisors (64357091236233).
131331311230311 is a wasteful number, since it uses less digits than its factorization.
131331311230311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3570435151 (or 3570435148 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 27.
Adding to 131331311230311 its reverse (113032113133131), we get a palindrome (244363424363442).
The spelling of 131331311230311 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, three hundred eleven million, two hundred thirty thousand, three hundred eleven".
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