Base | Representation |
---|---|
bin | 111011101110… |
… | …1000100110110 |
3 | 2011220221001022 |
4 | 1313131010312 |
5 | 31004023410 |
6 | 3035101142 |
7 | 530111063 |
oct | 167350466 |
9 | 64827038 |
10 | 31314230 |
11 | 16748932 |
12 | a5a17b2 |
13 | 664523c |
14 | 4231c6a |
15 | 2b38455 |
hex | 1ddd136 |
31314230 has 16 divisors (see below), whose sum is σ = 56452464. Its totient is φ = 12506400.
The previous prime is 31314197. The next prime is 31314251. The reversal of 31314230 is 3241313.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 31314199 and 31314208.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5705 + ... + 9755.
It is an arithmetic number, because the mean of its divisors is an integer number (3528279).
Almost surely, 231314230 is an apocalyptic number.
31314230 is a deficient number, since it is larger than the sum of its proper divisors (25138234).
31314230 is a wasteful number, since it uses less digits than its factorization.
31314230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4831.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 31314230 is about 5595.9119006646. The cubic root of 31314230 is about 315.1959140713.
Adding to 31314230 its reverse (3241313), we get a palindrome (34555543).
The spelling of 31314230 in words is "thirty-one million, three hundred fourteen thousand, two hundred thirty".
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