Base | Representation |
---|---|
bin | 11101010000010000… |
… | …010101010111111001 |
3 | 10000002002202211021100 |
4 | 131100100111113321 |
5 | 1003312233331301 |
6 | 22232523402013 |
7 | 2161254023421 |
oct | 352020252771 |
9 | 100062684240 |
10 | 31411230201 |
11 | 1235990318a |
12 | 6107683309 |
13 | 2c67876360 |
14 | 173da41481 |
15 | c3c98b286 |
hex | 7504155f9 |
31411230201 has 24 divisors (see below), whose sum is σ = 50546812680. Its totient is φ = 18663434496.
The previous prime is 31411230197. The next prime is 31411230229. The reversal of 31411230201 is 10203211413.
31411230201 is a `hidden beast` number, since 3 + 1 + 411 + 230 + 20 + 1 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 90725625 + 31320504576 = 9525^2 + 176976^2 .
It is not a de Polignac number, because 31411230201 - 22 = 31411230197 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (31411230241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4625436 + ... + 4632221.
It is an arithmetic number, because the mean of its divisors is an integer number (2106117195).
Almost surely, 231411230201 is an apocalyptic number.
It is an amenable number.
31411230201 is a deficient number, since it is larger than the sum of its proper divisors (19135582479).
31411230201 is a wasteful number, since it uses less digits than its factorization.
31411230201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9257705 (or 9257702 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 31411230201 its reverse (10203211413), we get a palindrome (41614441614).
The spelling of 31411230201 in words is "thirty-one billion, four hundred eleven million, two hundred thirty thousand, two hundred one".
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