Base | Representation |
---|---|
bin | 11101110101101010101011… |
… | …001100110000011011011101 |
3 | 122012122120221010212001211111 |
4 | 131311222223030300123131 |
5 | 114200043202032310023 |
6 | 1143034454530422021 |
7 | 36433102011461413 |
oct | 3565525314603335 |
9 | 565576833761744 |
10 | 131231303010013 |
11 | 388a59793a1028 |
12 | 12875609a31911 |
13 | 582c09c18500b |
14 | 24598b3bd72b3 |
15 | 102896249500d |
hex | 775aab3306dd |
131231303010013 has 8 divisors (see below), whose sum is σ = 131256247419648. Its totient is φ = 131206360840464.
The previous prime is 131231303009971. The next prime is 131231303010097. The reversal of 131231303010013 is 310010303132131.
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 131231303010013 - 245 = 96046930921181 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131231303010413) 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, 119032620 + ... + 120130042.
It is an arithmetic number, because the mean of its divisors is an integer number (16407030927456).
Almost surely, 2131231303010013 is an apocalyptic number.
It is an amenable number.
131231303010013 is a deficient number, since it is larger than the sum of its proper divisors (24944409635).
131231303010013 is a wasteful number, since it uses less digits than its factorization.
131231303010013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1120043.
The product of its (nonzero) digits is 486, while the sum is 22.
Adding to 131231303010013 its reverse (310010303132131), we get a palindrome (441241606142144).
The spelling of 131231303010013 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, three hundred three million, ten thousand, thirteen".
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