Base | Representation |
---|---|
bin | 11101000110001000… |
… | …010001010000101001 |
3 | 2222122021002201021100 |
4 | 131012020101100221 |
5 | 1002440241002131 |
6 | 22204014232013 |
7 | 2154122020455 |
oct | 350610212051 |
9 | 88567081240 |
10 | 31241344041 |
11 | 12281a191a6 |
12 | 607a7b5609 |
13 | 2c3b603abb |
14 | 172525b665 |
15 | c2cace7e6 |
hex | 746211429 |
31241344041 has 48 divisors (see below), whose sum is σ = 47630982672. Its totient is φ = 19711641600.
The previous prime is 31241344037. The next prime is 31241344063. The reversal of 31241344041 is 14044314213.
31241344041 is a `hidden beast` number, since 3 + 124 + 134 + 404 + 1 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 20306250000 + 10935094041 = 142500^2 + 104571^2 .
It is not a de Polignac number, because 31241344041 - 22 = 31241344037 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 31241343996 and 31241344014.
It is not an unprimeable number, because it can be changed into a prime (31241344031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1633651 + ... + 1652663.
It is an arithmetic number, because the mean of its divisors is an integer number (992312139).
Almost surely, 231241344041 is an apocalyptic number.
It is an amenable number.
31241344041 is a deficient number, since it is larger than the sum of its proper divisors (16389638631).
31241344041 is a wasteful number, since it uses less digits than its factorization.
31241344041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19194 (or 19191 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
Adding to 31241344041 its reverse (14044314213), we get a palindrome (45285658254).
The spelling of 31241344041 in words is "thirty-one billion, two hundred forty-one million, three hundred forty-four thousand, forty-one".
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