Base | Representation |
---|---|
bin | 11101111000011101011011… |
… | …110010101101100111110111 |
3 | 122020022221100212021102120020 |
4 | 131320131123302231213313 |
5 | 114211214301020423111 |
6 | 1143303001022540223 |
7 | 36453005336560251 |
oct | 3570353362554767 |
9 | 566287325242506 |
10 | 131423244311031 |
11 | 3896a315242422 |
12 | 128a6856737673 |
13 | 584420aa4b34a |
14 | 2464cc18d0cd1 |
15 | 102d9481c6906 |
hex | 77875bcad9f7 |
131423244311031 has 8 divisors (see below), whose sum is σ = 175958091969264. Its totient is φ = 87251946430080.
The previous prime is 131423244311027. The next prime is 131423244311087. The reversal of 131423244311031 is 130113442324131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131423244311031 - 22 = 131423244311027 is a prime.
It is a super-4 number, since 4×1314232443110314 (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 131423244310983 and 131423244311001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131423244311231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90887443476 + ... + 90887444921.
It is an arithmetic number, because the mean of its divisors is an integer number (21994761496158).
Almost surely, 2131423244311031 is an apocalyptic number.
131423244311031 is a deficient number, since it is larger than the sum of its proper divisors (44534847658233).
131423244311031 is a wasteful number, since it uses less digits than its factorization.
131423244311031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 181774888641.
The product of its (nonzero) digits is 20736, while the sum is 33.
Adding to 131423244311031 its reverse (130113442324131), we get a palindrome (261536686635162).
The spelling of 131423244311031 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, two hundred forty-four million, three hundred eleven thousand, thirty-one".
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