Base | Representation |
---|---|
bin | 1110001110111110110111… |
… | …01110101010111111111001 |
3 | 11002211100122101121010101101 |
4 | 13013133123232222333321 |
5 | 13100314134430143001 |
6 | 150323311033051401 |
7 | 6410300522463520 |
oct | 707373356527771 |
9 | 132740571533341 |
10 | 31301113131001 |
11 | 9a7880038701a |
12 | 3616447556b61 |
13 | 14608b403408c |
14 | 7a2da66d14b7 |
15 | 3943317caa01 |
hex | 1c77dbbaaff9 |
31301113131001 has 8 divisors (see below), whose sum is σ = 35772767803520. Its totient is φ = 26829475229088.
The previous prime is 31301113130981. The next prime is 31301113131049. The reversal of 31301113131001 is 10013131110313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31301113131001 - 29 = 31301113130489 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31301113131001.
It is not an unprimeable number, because it can be changed into a prime (31301113137001) 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, 99820 + ... + 7912786.
It is an arithmetic number, because the mean of its divisors is an integer number (4471595975440).
Almost surely, 231301113131001 is an apocalyptic number.
It is an amenable number.
31301113131001 is a deficient number, since it is larger than the sum of its proper divisors (4471654672519).
31301113131001 is an equidigital number, since it uses as much as digits as its factorization.
31301113131001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8385303.
The product of its (nonzero) digits is 81, while the sum is 19.
Adding to 31301113131001 its reverse (10013131110313), we get a palindrome (41314244241314).
The spelling of 31301113131001 in words is "thirty-one trillion, three hundred one billion, one hundred thirteen million, one hundred thirty-one thousand, one".
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