Base | Representation |
---|---|
bin | 1110001110111111011100… |
… | …00110000001101011100111 |
3 | 11002211101102212100211202000 |
4 | 13013133232012001223213 |
5 | 13100320302314234421 |
6 | 150323401401020343 |
7 | 6410311253420535 |
oct | 707375606015347 |
9 | 132741385324660 |
10 | 31301421243111 |
11 | 9a789492a1228 |
12 | 36165127846b3 |
13 | 1460932b12336 |
14 | 7a2dd55b7155 |
15 | 39434d88d226 |
hex | 1c77ee181ae7 |
31301421243111 has 16 divisors (see below), whose sum is σ = 46607869202400. Its totient is φ = 20761687183104.
The previous prime is 31301421243097. The next prime is 31301421243121. The reversal of 31301421243111 is 11134212410313.
31301421243111 is a `hidden beast` number, since 3 + 1 + 3 + 0 + 1 + 4 + 212 + 431 + 11 = 666.
It is not a de Polignac number, because 31301421243111 - 211 = 31301421241063 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31301421243121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2942410666 + ... + 2942421303.
It is an arithmetic number, because the mean of its divisors is an integer number (2912991825150).
Almost surely, 231301421243111 is an apocalyptic number.
31301421243111 is a deficient number, since it is larger than the sum of its proper divisors (15306447959289).
31301421243111 is a wasteful number, since it uses less digits than its factorization.
31301421243111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5884832175 (or 5884832169 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
Adding to 31301421243111 its reverse (11134212410313), we get a palindrome (42435633653424).
The spelling of 31301421243111 in words is "thirty-one trillion, three hundred one billion, four hundred twenty-one million, two hundred forty-three thousand, one hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •