Base | Representation |
---|---|
bin | 11101110010010011100011… |
… | …100111011101111010111001 |
3 | 122011211111201122000120000101 |
4 | 131302103203213131322321 |
5 | 114132302124223132301 |
6 | 1142340414455035401 |
7 | 36410314040401561 |
oct | 3562234347357271 |
9 | 564744648016011 |
10 | 131000321302201 |
11 | 38816a1922722a |
12 | 128388a666bb61 |
13 | 581337b299870 |
14 | 244c641161da1 |
15 | 102294412a701 |
hex | 7724e39ddeb9 |
131000321302201 has 4 divisors (see below), whose sum is σ = 141077269094692. Its totient is φ = 120923373509712.
The previous prime is 131000321302159. The next prime is 131000321302313. The reversal of 131000321302201 is 102203123000131.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 64985525049600 + 66014796252601 = 8061360^2 + 8124949^2 .
It is a cyclic number.
It is not a de Polignac number, because 131000321302201 - 241 = 128801298046649 is a prime.
It is a super-2 number, since 2×1310003213022012 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131000321302901) 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 3 ways as a sum of consecutive naturals, for example, 5038473896226 + ... + 5038473896251.
It is an arithmetic number, because the mean of its divisors is an integer number (35269317273673).
Almost surely, 2131000321302201 is an apocalyptic number.
It is an amenable number.
131000321302201 is a deficient number, since it is larger than the sum of its proper divisors (10076947792491).
131000321302201 is a wasteful number, since it uses less digits than its factorization.
131000321302201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10076947792490.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 131000321302201 its reverse (102203123000131), we get a palindrome (233203444302332).
The spelling of 131000321302201 in words is "one hundred thirty-one trillion, three hundred twenty-one million, three hundred two thousand, two hundred one".
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