Base | Representation |
---|---|
bin | 11100111000010110… |
… | …101001011110100110 |
3 | 2222001011020000110122 |
4 | 130320112221132212 |
5 | 1002002104412410 |
6 | 22125040521542 |
7 | 2145314424215 |
oct | 347026513646 |
9 | 88034200418 |
10 | 31010232230 |
11 | 121735164aa |
12 | 60153202b2 |
13 | 2c02775753 |
14 | 170269b07c |
15 | c1767be55 |
hex | 7385a97a6 |
31010232230 has 16 divisors (see below), whose sum is σ = 56244515184. Its totient is φ = 12309404640.
The previous prime is 31010232217. The next prime is 31010232233. The reversal of 31010232230 is 3223201013.
It is a junction number, because it is equal to n+sod(n) for n = 31010232199 and 31010232208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31010232233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11834657 + ... + 11837276.
It is an arithmetic number, because the mean of its divisors is an integer number (3515282199).
Almost surely, 231010232230 is an apocalyptic number.
31010232230 is a deficient number, since it is larger than the sum of its proper divisors (25234282954).
31010232230 is a wasteful number, since it uses less digits than its factorization.
31010232230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23672071.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 31010232230 its reverse (3223201013), we get a palindrome (34233433243).
The spelling of 31010232230 in words is "thirty-one billion, ten million, two hundred thirty-two thousand, two hundred thirty".
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