Base | Representation |
---|---|
bin | 10110111011110101… |
… | …00001100010000111 |
3 | 1011210010011021220201 |
4 | 23131322201202013 |
5 | 200204114303111 |
6 | 5353451111331 |
7 | 614062056544 |
oct | 133572414207 |
9 | 34703137821 |
10 | 12313041031 |
11 | 5249432a75 |
12 | 2477742547 |
13 | 1212c7a3c5 |
14 | 84b427bcb |
15 | 4c0ea86c1 |
hex | 2ddea1887 |
12313041031 has 8 divisors (see below), whose sum is σ = 12470166800. Its totient is φ = 12156894720.
The previous prime is 12313041017. The next prime is 12313041043. The reversal of 12313041031 is 13014031321.
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 12313041031 - 27 = 12313040903 is a prime.
It is a super-2 number, since 2×123130410312 (a number of 21 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 (12313041071) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219546 + ... + 269863.
It is an arithmetic number, because the mean of its divisors is an integer number (1558770850).
Almost surely, 212313041031 is an apocalyptic number.
12313041031 is a deficient number, since it is larger than the sum of its proper divisors (157125769).
12313041031 is a wasteful number, since it uses less digits than its factorization.
12313041031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 489729.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 12313041031 its reverse (13014031321), we get a palindrome (25327072352).
The spelling of 12313041031 in words is "twelve billion, three hundred thirteen million, forty-one thousand, thirty-one".
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