Base | Representation |
---|---|
bin | 1101011000111011101… |
… | …0101111110000011001 |
3 | 210222202020222010211201 |
4 | 3112032322233300121 |
5 | 12232100421000241 |
6 | 253401431154201 |
7 | 22422245335120 |
oct | 3261672576031 |
9 | 728666863751 |
10 | 230031031321 |
11 | 8961257a553 |
12 | 386b8b15961 |
13 | 188cbc5a7b0 |
14 | b1c26c6ab7 |
15 | 5eb4b7c931 |
hex | 358eeafc19 |
230031031321 has 16 divisors (see below), whose sum is σ = 283222369024. Its totient is φ = 181933625664.
The previous prime is 230031031303. The next prime is 230031031327. The reversal of 230031031321 is 123130130032.
It is not a de Polignac number, because 230031031321 - 213 = 230031023129 is a prime.
It is not an unprimeable number, because it can be changed into a prime (230031031327) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236610 + ... + 718363.
It is an arithmetic number, because the mean of its divisors is an integer number (17701398064).
Almost surely, 2230031031321 is an apocalyptic number.
It is an amenable number.
230031031321 is a deficient number, since it is larger than the sum of its proper divisors (53191337703).
230031031321 is a wasteful number, since it uses less digits than its factorization.
230031031321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 957640.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 230031031321 its reverse (123130130032), we get a palindrome (353161161353).
The spelling of 230031031321 in words is "two hundred thirty billion, thirty-one million, thirty-one thousand, three hundred twenty-one".
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