Base | Representation |
---|---|
bin | 11101001010011010… |
… | …110011010101000001 |
3 | 2222211021112000102210 |
4 | 131022122303111001 |
5 | 1003112201423131 |
6 | 22215104532333 |
7 | 2155654516005 |
oct | 351232632501 |
9 | 88737460383 |
10 | 31313311041 |
11 | 12309603061 |
12 | 609a9210a9 |
13 | 2c504b0a1c |
14 | 1730a32705 |
15 | c34098146 |
hex | 74a6b3541 |
31313311041 has 16 divisors (see below), whose sum is σ = 44525073600. Its totient is φ = 19506213888.
The previous prime is 31313311027. The next prime is 31313311049. The reversal of 31313311041 is 14011331313.
It is not a de Polignac number, because 31313311041 - 27 = 31313310913 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 31313310999 and 31313311017.
It is not an unprimeable number, because it can be changed into a prime (31313311049) 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 15 ways as a sum of consecutive naturals, for example, 2201496 + ... + 2215673.
It is an arithmetic number, because the mean of its divisors is an integer number (2782817100).
Almost surely, 231313311041 is an apocalyptic number.
It is an amenable number.
31313311041 is a deficient number, since it is larger than the sum of its proper divisors (13211762559).
31313311041 is a wasteful number, since it uses less digits than its factorization.
31313311041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4417328.
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 31313311041 its reverse (14011331313), we get a palindrome (45324642354).
The spelling of 31313311041 in words is "thirty-one billion, three hundred thirteen million, three hundred eleven thousand, forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •