Base | Representation |
---|---|
bin | 11101001010111100… |
… | …011100011001110001 |
3 | 2222211220010001211010 |
4 | 131022330130121301 |
5 | 1003121431130113 |
6 | 22220021541133 |
7 | 2156122466235 |
oct | 351274343161 |
9 | 88756101733 |
10 | 31322130033 |
11 | 12313586987 |
12 | 60a18747a9 |
13 | 2c5227ab6c |
14 | 1731c8a5c5 |
15 | c34c3b1c3 |
hex | 74af1c671 |
31322130033 has 8 divisors (see below), whose sum is σ = 41768395200. Its totient is φ = 20878642448.
The previous prime is 31322130013. The next prime is 31322130071. The reversal of 31322130033 is 33003122313.
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 31322130033 - 28 = 31322129777 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 31322129991 and 31322130009.
It is not an unprimeable number, because it can be changed into a prime (31322130013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667938 + ... + 713291.
It is an arithmetic number, because the mean of its divisors is an integer number (5221049400).
Almost surely, 231322130033 is an apocalyptic number.
It is an amenable number.
31322130033 is a deficient number, since it is larger than the sum of its proper divisors (10446265167).
31322130033 is a wasteful number, since it uses less digits than its factorization.
31322130033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1388791.
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 31322130033 its reverse (33003122313), we get a palindrome (64325252346).
The spelling of 31322130033 in words is "thirty-one billion, three hundred twenty-two million, one hundred thirty thousand, thirty-three".
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