Base | Representation |
---|---|
bin | 1011101001001011001… |
… | …0111001010101111111 |
3 | 201010022112012110102122 |
4 | 2322102302321111333 |
5 | 11234131003424411 |
6 | 231520525113155 |
7 | 20310651043253 |
oct | 2722262712577 |
9 | 633275173378 |
10 | 200031311231 |
11 | 77918507854 |
12 | 329260b87bb |
13 | 15b2a962c2b |
14 | 9978312263 |
15 | 530b0ab9db |
hex | 2e92cb957f |
200031311231 has 8 divisors (see below), whose sum is σ = 210563612400. Its totient is φ = 189499443840.
The previous prime is 200031311177. The next prime is 200031311239. The reversal of 200031311231 is 132113130002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 200031311231 - 210 = 200031310207 is a prime.
It is a super-2 number, since 2×2000313112312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200031311239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1322105 + ... + 1465613.
It is an arithmetic number, because the mean of its divisors is an integer number (26320451550).
Almost surely, 2200031311231 is an apocalyptic number.
200031311231 is a deficient number, since it is larger than the sum of its proper divisors (10532301169).
200031311231 is a wasteful number, since it uses less digits than its factorization.
200031311231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 216889.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 200031311231 its reverse (132113130002), we get a palindrome (332144441233).
The spelling of 200031311231 in words is "two hundred billion, thirty-one million, three hundred eleven thousand, two hundred thirty-one".
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