Base | Representation |
---|---|
bin | 11101000101101101… |
… | …110100111011000110 |
3 | 2222121210001112121121 |
4 | 131011231310323012 |
5 | 1002432002142410 |
6 | 22203205504154 |
7 | 2154006060220 |
oct | 350555647306 |
9 | 88553045547 |
10 | 31234412230 |
11 | 1227901422a |
12 | 607841205a |
13 | 2c3a047938 |
14 | 1724375410 |
15 | c2c1b09da |
hex | 745b74ec6 |
31234412230 has 32 divisors (see below), whose sum is σ = 64269987840. Its totient is φ = 10706218080.
The previous prime is 31234412207. The next prime is 31234412233. The reversal of 31234412230 is 3221443213.
It is a junction number, because it is equal to n+sod(n) for n = 31234412195 and 31234412204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31234412233) 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, 230835 + ... + 340225.
It is an arithmetic number, because the mean of its divisors is an integer number (2008437120).
Almost surely, 231234412230 is an apocalyptic number.
31234412230 is an abundant number, since it is smaller than the sum of its proper divisors (33035575610).
31234412230 is a wasteful number, since it uses less digits than its factorization.
31234412230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113484.
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 31234412230 its reverse (3221443213), we get a palindrome (34455855443).
The spelling of 31234412230 in words is "thirty-one billion, two hundred thirty-four million, four hundred twelve thousand, two hundred thirty".
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