Base | Representation |
---|---|
bin | 11101110010111011100111… |
… | …010001001110011000101111 |
3 | 122011222121202010201020211200 |
4 | 131302323213101032120233 |
5 | 114134003221024100411 |
6 | 1142412250433020543 |
7 | 36413365635425346 |
oct | 3562734721163057 |
9 | 564877663636750 |
10 | 131043332253231 |
11 | 3883318a845352 |
12 | 128450aa9b4753 |
13 | 5817444099048 |
14 | 2450761586b5d |
15 | 1023b1011ae56 |
hex | 772ee744e62f |
131043332253231 has 72 divisors (see below), whose sum is σ = 199398899606400. Its totient is φ = 82910350353600.
The previous prime is 131043332253227. The next prime is 131043332253269. The reversal of 131043332253231 is 132352233340131.
131043332253231 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 4 + 3 + 3 + 322 + 5 + 323 + 1 = 666.
It is not a de Polignac number, because 131043332253231 - 22 = 131043332253227 is a prime.
It is a super-2 number, since 2×1310433322532312 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131043832253231) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 177510720 + ... + 178247418.
It is an arithmetic number, because the mean of its divisors is an integer number (2769429161200).
Almost surely, 2131043332253231 is an apocalyptic number.
131043332253231 is a deficient number, since it is larger than the sum of its proper divisors (68355567353169).
131043332253231 is a wasteful number, since it uses less digits than its factorization.
131043332253231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 737165 (or 737133 counting only the distinct ones).
The product of its (nonzero) digits is 116640, while the sum is 36.
Adding to 131043332253231 its reverse (132352233340131), we get a palindrome (263395565593362).
The spelling of 131043332253231 in words is "one hundred thirty-one trillion, forty-three billion, three hundred thirty-two million, two hundred fifty-three thousand, two hundred thirty-one".
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