Base | Representation |
---|---|
bin | 11101000101000110… |
… | …111101100111100110 |
3 | 2222121001212221022021 |
4 | 131011012331213212 |
5 | 1002421400133410 |
6 | 22202203253354 |
7 | 2153523345463 |
oct | 350506754746 |
9 | 88531787267 |
10 | 31224224230 |
11 | 122732958a1 |
12 | 6074b1a25a |
13 | 2c37bbb634 |
14 | 1722c8266a |
15 | c2b34beda |
hex | 7451bd9e6 |
31224224230 has 16 divisors (see below), whose sum is σ = 56207703024. Its totient is φ = 12488778720.
The previous prime is 31224224221. The next prime is 31224224233. The reversal of 31224224230 is 3242242213.
It is a junction number, because it is equal to n+sod(n) for n = 31224224195 and 31224224204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31224224233) 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, 39985 + ... + 253075.
It is an arithmetic number, because the mean of its divisors is an integer number (3512981439).
Almost surely, 231224224230 is an apocalyptic number.
31224224230 is a deficient number, since it is larger than the sum of its proper divisors (24983478794).
31224224230 is a wasteful number, since it uses less digits than its factorization.
31224224230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 227751.
The product of its (nonzero) digits is 4608, while the sum is 25.
Adding to 31224224230 its reverse (3242242213), we get a palindrome (34466466443).
The spelling of 31224224230 in words is "thirty-one billion, two hundred twenty-four million, two hundred twenty-four thousand, two hundred thirty".
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