Base | Representation |
---|---|
bin | 111101000001000011… |
… | …1110011010001111011 |
3 | 110112012212000110102020 |
4 | 1322002013303101323 |
5 | 4121323204231021 |
6 | 140110104405523 |
7 | 12316045330056 |
oct | 1720207632173 |
9 | 415185013366 |
10 | 131032102011 |
11 | 506302296a8 |
12 | 2148a4768a3 |
13 | c482971695 |
14 | 64b05b1a9d |
15 | 361d7867c6 |
hex | 1e821f347b |
131032102011 has 4 divisors (see below), whose sum is σ = 174709469352. Its totient is φ = 87354734672.
The previous prime is 131032101989. The next prime is 131032102051. The reversal of 131032102011 is 110201230131.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 131032102011 - 25 = 131032101979 is a prime.
It is a super-2 number, since 2×1310321020112 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (131032102051) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21838683666 + ... + 21838683671.
It is an arithmetic number, because the mean of its divisors is an integer number (43677367338).
Almost surely, 2131032102011 is an apocalyptic number.
131032102011 is a deficient number, since it is larger than the sum of its proper divisors (43677367341).
131032102011 is an equidigital number, since it uses as much as digits as its factorization.
131032102011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43677367340.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 131032102011 its reverse (110201230131), we get a palindrome (241233332142).
The spelling of 131032102011 in words is "one hundred thirty-one billion, thirty-two million, one hundred two thousand, eleven".
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