Base | Representation |
---|---|
bin | 11101001010111111… |
… | …111011010110101001 |
3 | 2222211221211110111122 |
4 | 131022333323112221 |
5 | 1003122144340431 |
6 | 22220053305025 |
7 | 2156133321530 |
oct | 351277732651 |
9 | 88757743448 |
10 | 31323043241 |
11 | 1231404aaa6 |
12 | 60a2035175 |
13 | 2c5250a719 |
14 | 1732047317 |
15 | c34d6ba7b |
hex | 74affb5a9 |
31323043241 has 8 divisors (see below), whose sum is σ = 36152197824. Its totient is φ = 26582497200.
The previous prime is 31323043223. The next prime is 31323043247. The reversal of 31323043241 is 14234032313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31323043241 - 226 = 31255934377 is a prime.
It is a super-2 number, since 2×313230432412 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31323043241.
It is not an unprimeable number, because it can be changed into a prime (31323043247) 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 7 ways as a sum of consecutive naturals, for example, 22151375 + ... + 22152788.
It is an arithmetic number, because the mean of its divisors is an integer number (4519024728).
Almost surely, 231323043241 is an apocalyptic number.
It is an amenable number.
31323043241 is a deficient number, since it is larger than the sum of its proper divisors (4829154583).
31323043241 is a wasteful number, since it uses less digits than its factorization.
31323043241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44304271.
The product of its (nonzero) digits is 5184, while the sum is 26.
Adding to 31323043241 its reverse (14234032313), we get a palindrome (45557075554).
The spelling of 31323043241 in words is "thirty-one billion, three hundred twenty-three million, forty-three thousand, two hundred forty-one".
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