Base | Representation |
---|---|
bin | 11101010010001010… |
… | …000001101111001101 |
3 | 10000011022210120102001 |
4 | 131102022001233031 |
5 | 1003343420200331 |
6 | 22240023232301 |
7 | 2162122130566 |
oct | 352212015715 |
9 | 100138716361 |
10 | 31443131341 |
11 | 12375911a66 |
12 | 61162a8691 |
13 | 2c7136577b |
14 | 1743d8716d |
15 | c4068d561 |
hex | 752281bcd |
31443131341 has 8 divisors (see below), whose sum is σ = 32947511040. Its totient is φ = 29950192272.
The previous prime is 31443131263. The next prime is 31443131351. The reversal of 31443131341 is 14313134413.
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 31443131341 - 225 = 31409576909 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31443131351) 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 7 ways as a sum of consecutive naturals, for example, 2854530 + ... + 2865523.
It is an arithmetic number, because the mean of its divisors is an integer number (4118438880).
Almost surely, 231443131341 is an apocalyptic number.
It is an amenable number.
31443131341 is a deficient number, since it is larger than the sum of its proper divisors (1504379699).
31443131341 is a wasteful number, since it uses less digits than its factorization.
31443131341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5720315.
The product of its digits is 5184, while the sum is 28.
Adding to 31443131341 its reverse (14313134413), we get a palindrome (45756265754).
The spelling of 31443131341 in words is "thirty-one billion, four hundred forty-three million, one hundred thirty-one thousand, three hundred forty-one".
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