Base | Representation |
---|---|
bin | 1110001100010101001101… |
… | …11011100011001011111101 |
3 | 11002111122112212021010202002 |
4 | 13012022212323203023331 |
5 | 13042321121422014323 |
6 | 150213405145512045 |
7 | 6400564466242523 |
oct | 706124673431375 |
9 | 132448485233662 |
10 | 31210033001213 |
11 | 9a43111a92490 |
12 | 3600868aa2625 |
13 | 145512a4ca461 |
14 | 79c806188313 |
15 | 391ca06e0828 |
hex | 1c62a6ee32fd |
31210033001213 has 8 divisors (see below), whose sum is σ = 36050091595200. Its totient is φ = 26703771551680.
The previous prime is 31210033001177. The next prime is 31210033001227.
31210033001213 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31210033001213 - 228 = 31209764565757 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31210033001233) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83449285913 + ... + 83449286286.
It is an arithmetic number, because the mean of its divisors is an integer number (4506261449400).
Almost surely, 231210033001213 is an apocalyptic number.
It is an amenable number.
31210033001213 is a deficient number, since it is larger than the sum of its proper divisors (4840058593987).
31210033001213 is a wasteful number, since it uses less digits than its factorization.
31210033001213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166898572227.
The product of its (nonzero) digits is 324, while the sum is 20.
It can be divided in two parts, 3121003 and 3001213, that added together give a palindrome (6122216).
The spelling of 31210033001213 in words is "thirty-one trillion, two hundred ten billion, thirty-three million, one thousand, two hundred thirteen".
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