Base | Representation |
---|---|
bin | 11101010010000001… |
… | …111110110111101011 |
3 | 10000011011211102112201 |
4 | 131102001332313223 |
5 | 1003342400204233 |
6 | 22235510121031 |
7 | 2162065165315 |
oct | 352201766753 |
9 | 100134742481 |
10 | 31441022443 |
11 | 12374701576 |
12 | 6115650177 |
13 | 2c70aa78bc |
14 | 17439987b5 |
15 | c403c377d |
hex | 75207edeb |
31441022443 has 4 divisors (see below), whose sum is σ = 31557041248. Its totient is φ = 31325003640.
The previous prime is 31441022441. The next prime is 31441022519. The reversal of 31441022443 is 34422014413.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34422014413 = 71363 ⋅482351.
It is a cyclic number.
It is not a de Polignac number, because 31441022443 - 21 = 31441022441 is a prime.
It is a super-2 number, since 2×314410224432 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31441022441) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58008996 + ... + 58009537.
It is an arithmetic number, because the mean of its divisors is an integer number (7889260312).
Almost surely, 231441022443 is an apocalyptic number.
31441022443 is a deficient number, since it is larger than the sum of its proper divisors (116018805).
31441022443 is a wasteful number, since it uses less digits than its factorization.
31441022443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116018804.
The product of its (nonzero) digits is 9216, while the sum is 28.
Adding to 31441022443 its reverse (34422014413), we get a palindrome (65863036856).
The spelling of 31441022443 in words is "thirty-one billion, four hundred forty-one million, twenty-two thousand, four hundred forty-three".
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