Base | Representation |
---|---|
bin | 11101000101000011… |
… | …100110110001110001 |
3 | 2222121000020020012002 |
4 | 131011003212301301 |
5 | 1002421134003431 |
6 | 22202132343345 |
7 | 2153513022065 |
oct | 350503466161 |
9 | 88530206162 |
10 | 31223344241 |
11 | 12272844731 |
12 | 6074774b55 |
13 | 2c37970c2b |
14 | 1722ad3aa5 |
15 | c2b2263cb |
hex | 7450e6c71 |
31223344241 has 4 divisors (see below), whose sum is σ = 31283045232. Its totient is φ = 31163643252.
The previous prime is 31223344223. The next prime is 31223344279. The reversal of 31223344241 is 14244332213.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 31223344241 - 218 = 31223082097 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31223344291) 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 3 ways as a sum of consecutive naturals, for example, 29849711 + ... + 29850756.
It is an arithmetic number, because the mean of its divisors is an integer number (7820761308).
Almost surely, 231223344241 is an apocalyptic number.
It is an amenable number.
31223344241 is a deficient number, since it is larger than the sum of its proper divisors (59700991).
31223344241 is an equidigital number, since it uses as much as digits as its factorization.
31223344241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59700990.
The product of its digits is 13824, while the sum is 29.
Adding to 31223344241 its reverse (14244332213), we get a palindrome (45467676454).
The spelling of 31223344241 in words is "thirty-one billion, two hundred twenty-three million, three hundred forty-four thousand, two hundred forty-one".
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