Base | Representation |
---|---|
bin | 11101001001110000… |
… | …100010000100110011 |
3 | 2222210111200001112211 |
4 | 131021300202010303 |
5 | 1003101332332243 |
6 | 22214031232551 |
7 | 2155461365500 |
oct | 351160420463 |
9 | 88714601484 |
10 | 31302230323 |
11 | 12303324a41 |
12 | 6097078757 |
13 | 2c4b1012a0 |
14 | 172d38a4a7 |
15 | c33109d9d |
hex | 749c22133 |
31302230323 has 12 divisors (see below), whose sum is σ = 39213783840. Its totient is φ = 24766599312.
The previous prime is 31302230299. The next prime is 31302230327. The reversal of 31302230323 is 32303220313.
It is not a de Polignac number, because 31302230323 - 229 = 30765359411 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31302230294 and 31302230303.
It is not an unprimeable number, because it can be changed into a prime (31302230327) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24569403 + ... + 24570676.
It is an arithmetic number, because the mean of its divisors is an integer number (3267815320).
Almost surely, 231302230323 is an apocalyptic number.
31302230323 is a deficient number, since it is larger than the sum of its proper divisors (7911553517).
31302230323 is a wasteful number, since it uses less digits than its factorization.
31302230323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49140106 (or 49140099 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 22.
Adding to 31302230323 its reverse (32303220313), we get a palindrome (63605450636).
The spelling of 31302230323 in words is "thirty-one billion, three hundred two million, two hundred thirty thousand, three hundred twenty-three".
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