Base | Representation |
---|---|
bin | 1110001111010000000010… |
… | …00111000010011011010001 |
3 | 11002212020102202011020210200 |
4 | 13013220001013002123101 |
5 | 13100442024013210001 |
6 | 150331433411045413 |
7 | 6411045112404123 |
oct | 707500107023321 |
9 | 132766382136720 |
10 | 31310330210001 |
11 | 9a81700165987 |
12 | 361819a2a0869 |
13 | 146172276b38b |
14 | 7a35dc893213 |
15 | 3946c0a87086 |
hex | 1c7a011c26d1 |
31310330210001 has 6 divisors (see below), whose sum is σ = 45226032525570. Its totient is φ = 20873553473328.
The previous prime is 31310330209973. The next prime is 31310330210011. The reversal of 31310330210001 is 10001203301313.
It is a happy number.
31310330210001 is a `hidden beast` number, since 3 + 1 + 310 + 330 + 21 + 0 + 0 + 0 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 31129704360000 + 180625850001 = 5579400^2 + 425001^2 .
It is not a de Polignac number, because 31310330210001 - 25 = 31310330209969 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31310330210011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1739462789436 + ... + 1739462789453.
It is an arithmetic number, because the mean of its divisors is an integer number (7537672087595).
Almost surely, 231310330210001 is an apocalyptic number.
It is an amenable number.
31310330210001 is a deficient number, since it is larger than the sum of its proper divisors (13915702315569).
31310330210001 is a wasteful number, since it uses less digits than its factorization.
31310330210001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3478925578895 (or 3478925578892 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 31310330210001 its reverse (10001203301313), we get a palindrome (41311533511314).
The spelling of 31310330210001 in words is "thirty-one trillion, three hundred ten billion, three hundred thirty million, two hundred ten thousand, one".
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