Base | Representation |
---|---|
bin | 11101110011110000100100… |
… | …110111101110011111011111 |
3 | 122012012001112101000221021210 |
4 | 131303300210313232133133 |
5 | 114140421202241044411 |
6 | 1142454333421155503 |
7 | 36420451115213205 |
oct | 3563604467563737 |
9 | 565161471027253 |
10 | 131100200331231 |
11 | 3885531234801a |
12 | 1285411b9bbb93 |
13 | 581c907a02441 |
14 | 24533d80d3075 |
15 | 102533c91bca6 |
hex | 773c24dee7df |
131100200331231 has 24 divisors (see below), whose sum is σ = 186386394566064. Its totient is φ = 81946516907520.
The previous prime is 131100200331229. The next prime is 131100200331259. The reversal of 131100200331231 is 132133002001131.
It is a happy number.
It is not a de Polignac number, because 131100200331231 - 21 = 131100200331229 is a prime.
It is a super-2 number, since 2×1311002003312312 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 131100200331198 and 131100200331207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131100200331271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 623878540 + ... + 624088641.
It is an arithmetic number, because the mean of its divisors is an integer number (7766099773586).
Almost surely, 2131100200331231 is an apocalyptic number.
131100200331231 is a deficient number, since it is larger than the sum of its proper divisors (55286194234833).
131100200331231 is a wasteful number, since it uses less digits than its factorization.
131100200331231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1247967319 (or 1247967300 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 131100200331231 its reverse (132133002001131), we get a palindrome (263233202332362).
The spelling of 131100200331231 in words is "one hundred thirty-one trillion, one hundred billion, two hundred million, three hundred thirty-one thousand, two hundred thirty-one".
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