Base | Representation |
---|---|
bin | 11101001001101111… |
… | …101100110100101011 |
3 | 2222210111020222100022 |
4 | 131021233230310223 |
5 | 1003101303342303 |
6 | 22214022431055 |
7 | 2155456466540 |
oct | 351157546453 |
9 | 88714228308 |
10 | 31302012203 |
11 | 12303196080 |
12 | 6096b9248b |
13 | 2c4b055c17 |
14 | 172d330bc7 |
15 | c330b5438 |
hex | 749becd2b |
31302012203 has 8 divisors (see below), whose sum is σ = 39025885440. Its totient is φ = 24391178280.
The previous prime is 31302012179. The next prime is 31302012253. The reversal of 31302012203 is 30221020313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31302012203 - 210 = 31302011179 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31302012253) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203259743 + ... + 203259896.
It is an arithmetic number, because the mean of its divisors is an integer number (4878235680).
Almost surely, 231302012203 is an apocalyptic number.
31302012203 is a deficient number, since it is larger than the sum of its proper divisors (7723873237).
31302012203 is a wasteful number, since it uses less digits than its factorization.
31302012203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 406519657.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 31302012203 its reverse (30221020313), we get a palindrome (61523032516).
The spelling of 31302012203 in words is "thirty-one billion, three hundred two million, twelve thousand, two hundred three".
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