Base | Representation |
---|---|
bin | 11101001011100110… |
… | …110101000111111111 |
3 | 2222212200000120200010 |
4 | 131023212311013333 |
5 | 1003132302210333 |
6 | 22221100034303 |
7 | 2156316104565 |
oct | 351346650777 |
9 | 88780016603 |
10 | 31333241343 |
11 | 12319885a88 |
12 | 60a5532993 |
13 | 2c5466b4c1 |
14 | 173353da35 |
15 | c35bd3563 |
hex | 74b9b51ff |
31333241343 has 16 divisors (see below), whose sum is σ = 43605225216. Its totient is φ = 19975507200.
The previous prime is 31333241341. The next prime is 31333241347. The reversal of 31333241343 is 34314233313.
It is not a de Polignac number, because 31333241343 - 21 = 31333241341 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31333241343.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31333241341) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223471 + ... + 335567.
It is an arithmetic number, because the mean of its divisors is an integer number (2725326576).
Almost surely, 231333241343 is an apocalyptic number.
31333241343 is a deficient number, since it is larger than the sum of its proper divisors (12271983873).
31333241343 is a wasteful number, since it uses less digits than its factorization.
31333241343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116174.
The product of its digits is 23328, while the sum is 30.
Adding to 31333241343 its reverse (34314233313), we get a palindrome (65647474656).
The spelling of 31333241343 in words is "thirty-one billion, three hundred thirty-three million, two hundred forty-one thousand, three hundred forty-three".
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