Base | Representation |
---|---|
bin | 11100111110011111… |
… | …111100101010011100 |
3 | 2222022100020002200122 |
4 | 130332133330222130 |
5 | 1002210003132104 |
6 | 22143202414112 |
7 | 2151005653556 |
oct | 347637745234 |
9 | 88270202618 |
10 | 31113333404 |
11 | 1221673598a |
12 | 6043961338 |
13 | 2c1ac3396a |
14 | 17122584d6 |
15 | c217456be |
hex | 73e7fca9c |
31113333404 has 12 divisors (see below), whose sum is σ = 54463708824. Its totient is φ = 15552273744.
The previous prime is 31113333403. The next prime is 31113333469. The reversal of 31113333404 is 40433331113.
It is a super-4 number, since 4×311133334044 (a number of 43 digits) contains 4444 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31113333403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1082279 + ... + 1110654.
It is an arithmetic number, because the mean of its divisors is an integer number (4538642402).
Almost surely, 231113333404 is an apocalyptic number.
It is an amenable number.
31113333404 is a deficient number, since it is larger than the sum of its proper divisors (23350375420).
31113333404 is a wasteful number, since it uses less digits than its factorization.
31113333404 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2196484 (or 2196482 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 26.
Adding to 31113333404 its reverse (40433331113), we get a palindrome (71546664517).
The spelling of 31113333404 in words is "thirty-one billion, one hundred thirteen million, three hundred thirty-three thousand, four hundred four".
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