Base | Representation |
---|---|
bin | 1011001100100110011011… |
… | …0111010000000011001111 |
3 | 1121120221002212102200200000 |
4 | 2303021212313100003033 |
5 | 3103201114104430111 |
6 | 42103350414135343 |
7 | 2410306404436350 |
oct | 263114667200317 |
9 | 47527085380600 |
10 | 12311102030031 |
11 | 3a17122167632 |
12 | 1469b831b1553 |
13 | 6b3c1661a61c |
14 | 307c0938dd27 |
15 | 1653900c4c56 |
hex | b3266dd00cf |
12311102030031 has 48 divisors (see below), whose sum is σ = 21390360386304. Its totient is φ = 6929916643584.
The previous prime is 12311102030021. The next prime is 12311102030047. The reversal of 12311102030031 is 13003020111321.
12311102030031 is a `hidden beast` number, since 1 + 2 + 311 + 1 + 0 + 20 + 300 + 31 = 666.
12311102030031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12311102030031 - 27 = 12311102029903 is a prime.
It is a super-2 number, since 2×123111020300312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12311102029986 and 12311102030013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12311102030021) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53897730 + ... + 54125663.
It is an arithmetic number, because the mean of its divisors is an integer number (445632508048).
Almost surely, 212311102030031 is an apocalyptic number.
12311102030031 is a deficient number, since it is larger than the sum of its proper divisors (9079258356273).
12311102030031 is an equidigital number, since it uses as much as digits as its factorization.
12311102030031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108023482 (or 108023470 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 12311102030031 its reverse (13003020111321), we get a palindrome (25314122141352).
The spelling of 12311102030031 in words is "twelve trillion, three hundred eleven billion, one hundred two million, thirty thousand, thirty-one".
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