Base | Representation |
---|---|
bin | 11100111010011100… |
… | …001100011000010101 |
3 | 2222010121002121120100 |
4 | 130322130030120111 |
5 | 1002040040142331 |
6 | 22132331124313 |
7 | 2146221121533 |
oct | 347234143025 |
9 | 88117077510 |
10 | 31045240341 |
11 | 12191257625 |
12 | 6024ba3699 |
13 | 2c09ab20cb |
14 | 17071b1153 |
15 | c1a794ae6 |
hex | 73a70c615 |
31045240341 has 12 divisors (see below), whose sum is σ = 46389439980. Its totient is φ = 19983143040.
The previous prime is 31045240339. The next prime is 31045240349. The reversal of 31045240341 is 14304254013.
It is a happy number.
31045240341 is a `hidden beast` number, since 3 + 104 + 524 + 0 + 34 + 1 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 5769010116 + 25276230225 = 75954^2 + 158985^2 .
It is not a de Polignac number, because 31045240341 - 21 = 31045240339 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31045240349) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 59473380 + ... + 59473901.
It is an arithmetic number, because the mean of its divisors is an integer number (3865786665).
Almost surely, 231045240341 is an apocalyptic number.
It is an amenable number.
31045240341 is a deficient number, since it is larger than the sum of its proper divisors (15344199639).
31045240341 is a wasteful number, since it uses less digits than its factorization.
31045240341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118947316 (or 118947313 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
Adding to 31045240341 its reverse (14304254013), we get a palindrome (45349494354).
The spelling of 31045240341 in words is "thirty-one billion, forty-five million, two hundred forty thousand, three hundred forty-one".
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