Base | Representation |
---|---|
bin | 1110000110100110100110… |
… | …10111011110010100100001 |
3 | 11001210211111221002220002201 |
4 | 13003103103113132110201 |
5 | 13031110023231220301 |
6 | 145543134430213201 |
7 | 6350426153444350 |
oct | 703232327362441 |
9 | 131724457086081 |
10 | 31013210023201 |
11 | 99776a05aa99a |
12 | 358a699354201 |
13 | 143c6c1463063 |
14 | 793093dcd997 |
15 | 38bad112b201 |
hex | 1c34d35de521 |
31013210023201 has 48 divisors (see below), whose sum is σ = 38073980851200. Its totient is φ = 24739653288960.
The previous prime is 31013210023199. The next prime is 31013210023339. The reversal of 31013210023201 is 10232001231013.
It is not a de Polignac number, because 31013210023201 - 21 = 31013210023199 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31013210020201) 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 47 ways as a sum of consecutive naturals, for example, 66987531 + ... + 67448911.
It is an arithmetic number, because the mean of its divisors is an integer number (793207934400).
Almost surely, 231013210023201 is an apocalyptic number.
It is an amenable number.
31013210023201 is a deficient number, since it is larger than the sum of its proper divisors (7060770827999).
31013210023201 is a wasteful number, since it uses less digits than its factorization.
31013210023201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 461794 (or 461777 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 31013210023201 its reverse (10232001231013), we get a palindrome (41245211254214).
The spelling of 31013210023201 in words is "thirty-one trillion, thirteen billion, two hundred ten million, twenty-three thousand, two hundred one".
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