Base | Representation |
---|---|
bin | 11101001001101000… |
… | …001001011011100110 |
3 | 2222210100112101022222 |
4 | 131021220021123212 |
5 | 1003100302012410 |
6 | 22213512152342 |
7 | 2155433612165 |
oct | 351150113346 |
9 | 88710471288 |
10 | 31300032230 |
11 | 12302063535 |
12 | 60963986b2 |
13 | 2c4a81193c |
14 | 172cd773dc |
15 | c32d23955 |
hex | 749a096e6 |
31300032230 has 16 divisors (see below), whose sum is σ = 56350613520. Its totient is φ = 12517667232.
The previous prime is 31300032217. The next prime is 31300032277. The reversal of 31300032230 is 3223000313.
It is a junction number, because it is equal to n+sod(n) for n = 31300032199 and 31300032208.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236645 + ... + 344384.
It is an arithmetic number, because the mean of its divisors is an integer number (3521913345).
Almost surely, 231300032230 is an apocalyptic number.
31300032230 is a deficient number, since it is larger than the sum of its proper divisors (25050581290).
31300032230 is a wasteful number, since it uses less digits than its factorization.
31300032230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 586423.
The product of its (nonzero) digits is 324, while the sum is 17.
Adding to 31300032230 its reverse (3223000313), we get a palindrome (34523032543).
The spelling of 31300032230 in words is "thirty-one billion, three hundred million, thirty-two thousand, two hundred thirty".
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