Base | Representation |
---|---|
bin | 11011100010101… |
… | …10010101010101 |
3 | 121002202001202200 |
4 | 31301112111111 |
5 | 433121242331 |
6 | 34531555113 |
7 | 5503545000 |
oct | 1561262525 |
9 | 532661680 |
10 | 231040341 |
11 | 109464034 |
12 | 6545ba99 |
13 | 38b3497c |
14 | 22982537 |
15 | 1543b5e6 |
hex | dc56555 |
231040341 has 24 divisors (see below), whose sum is σ = 389188800. Its totient is φ = 132021288.
The previous prime is 231040339. The next prime is 231040343. The reversal of 231040341 is 143040132.
It is an interprime number because it is at equal distance from previous prime (231040339) and next prime (231040343).
It is not a de Polignac number, because 231040341 - 21 = 231040339 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231040343) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34335 + ... + 40508.
It is an arithmetic number, because the mean of its divisors is an integer number (16216200).
Almost surely, 2231040341 is an apocalyptic number.
231040341 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
231040341 is a deficient number, since it is larger than the sum of its proper divisors (158148459).
231040341 is an equidigital number, since it uses as much as digits as its factorization.
231040341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74870 (or 74853 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 231040341 is about 15200.0112171011. The cubic root of 231040341 is about 613.6149596365.
Adding to 231040341 its reverse (143040132), we get a palindrome (374080473).
The spelling of 231040341 in words is "two hundred thirty-one million, forty thousand, three hundred forty-one".
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