Base | Representation |
---|---|
bin | 1011101001100010111… |
… | …1010011000001011011 |
3 | 201010120110211202102021 |
4 | 2322120233103001123 |
5 | 11234332020444011 |
6 | 231534450315311 |
7 | 20313301460653 |
oct | 2723057230133 |
9 | 633513752367 |
10 | 200131031131 |
11 | 77969827899 |
12 | 32953588b37 |
13 | 15b455090a5 |
14 | 998766d363 |
15 | 5314c08471 |
hex | 2e98bd305b |
200131031131 has 16 divisors (see below), whose sum is σ = 208536364800. Its totient is φ = 191828655648.
The previous prime is 200131031039. The next prime is 200131031141. The reversal of 200131031131 is 131130131002.
It is a cyclic number.
It is not a de Polignac number, because 200131031131 - 223 = 200122642523 is a prime.
It is a super-2 number, since 2×2001310311312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (200131031141) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4264050 + ... + 4310728.
It is an arithmetic number, because the mean of its divisors is an integer number (13033522800).
Almost surely, 2200131031131 is an apocalyptic number.
200131031131 is a deficient number, since it is larger than the sum of its proper divisors (8405333669).
200131031131 is a wasteful number, since it uses less digits than its factorization.
200131031131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47778.
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 200131031131 its reverse (131130131002), we get a palindrome (331261162133).
The spelling of 200131031131 in words is "two hundred billion, one hundred thirty-one million, thirty-one thousand, one hundred thirty-one".
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