Base | Representation |
---|---|
bin | 111101000001000000… |
… | …0111110000001101111 |
3 | 110112012201122110122100 |
4 | 1322002000332001233 |
5 | 4121322224423043 |
6 | 140110002150143 |
7 | 12316024160403 |
oct | 1720200760157 |
9 | 415181573570 |
10 | 131030311023 |
11 | 5062a216047 |
12 | 21489952353 |
13 | c482495421 |
14 | 64b0267103 |
15 | 361d530cd3 |
hex | 1e8203e06f |
131030311023 has 24 divisors (see below), whose sum is σ = 195817237200. Its totient is φ = 84330658944.
The previous prime is 131030310997. The next prime is 131030311031. The reversal of 131030311023 is 320113030131.
It is a happy number.
It is not a de Polignac number, because 131030311023 - 28 = 131030310767 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131030310987 and 131030311005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131030311033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2381043 + ... + 2435451.
It is an arithmetic number, because the mean of its divisors is an integer number (8159051550).
Almost surely, 2131030311023 is an apocalyptic number.
131030311023 is a deficient number, since it is larger than the sum of its proper divisors (64786926177).
131030311023 is a wasteful number, since it uses less digits than its factorization.
131030311023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63671 (or 63668 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 131030311023 its reverse (320113030131), we get a palindrome (451143341154).
The spelling of 131030311023 in words is "one hundred thirty-one billion, thirty million, three hundred eleven thousand, twenty-three".
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