Base | Representation |
---|---|
bin | 11101110110101011110111… |
… | …011101110000100101000111 |
3 | 122012220021121111022211000012 |
4 | 131312223313131300211013 |
5 | 114202220031303342411 |
6 | 1143130552504140435 |
7 | 36441130444254161 |
oct | 3566536735604507 |
9 | 565807544284005 |
10 | 131301302012231 |
11 | 38922629a7148a |
12 | 128870a446771b |
13 | 5835876340460 |
14 | 245d03462d931 |
15 | 102a6ac95a18b |
hex | 776af7770947 |
131301302012231 has 32 divisors (see below), whose sum is σ = 150822289578240. Its totient is φ = 113304711873024.
The previous prime is 131301302012207. The next prime is 131301302012233. The reversal of 131301302012231 is 132210203103131.
It is not a de Polignac number, because 131301302012231 - 226 = 131301234903367 is a prime.
It is a super-2 number, since 2×1313013020122312 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 131301302012197 and 131301302012206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131301302012233) 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 31 ways as a sum of consecutive naturals, for example, 4026065 + ... + 16697658.
It is an arithmetic number, because the mean of its divisors is an integer number (4713196549320).
Almost surely, 2131301302012231 is an apocalyptic number.
131301302012231 is a deficient number, since it is larger than the sum of its proper divisors (19520987566009).
131301302012231 is a wasteful number, since it uses less digits than its factorization.
131301302012231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20724095.
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 131301302012231 its reverse (132210203103131), we get a palindrome (263511505115362).
The spelling of 131301302012231 in words is "one hundred thirty-one trillion, three hundred one billion, three hundred two million, twelve thousand, two hundred thirty-one".
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