Base | Representation |
---|---|
bin | 1110001110111110101101… |
… | …10101010111110011100001 |
3 | 11002211100102200001111122002 |
4 | 13013133112311113303201 |
5 | 13100314002414020223 |
6 | 150323254540453345 |
7 | 6410265504420413 |
oct | 707372665276341 |
9 | 132740380044562 |
10 | 31301031001313 |
11 | 9a78768a90847 |
12 | 3616423b4a255 |
13 | 14608a0009528 |
14 | 7a2d998329b3 |
15 | 3943294a5e28 |
hex | 1c77d6d57ce1 |
31301031001313 has 8 divisors (see below), whose sum is σ = 32383685700480. Its totient is φ = 30218596889040.
The previous prime is 31301031001307. The next prime is 31301031001369. The reversal of 31301031001313 is 31310013010313.
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 31301031001313 - 26 = 31301031001249 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31301031001213) 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, 54857993 + ... + 55425638.
It is an arithmetic number, because the mean of its divisors is an integer number (4047960712560).
Almost surely, 231301031001313 is an apocalyptic number.
It is an amenable number.
31301031001313 is a deficient number, since it is larger than the sum of its proper divisors (1082654699167).
31301031001313 is a wasteful number, since it uses less digits than its factorization.
31301031001313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110293447.
The product of its (nonzero) digits is 243, while the sum is 20.
Adding to 31301031001313 its reverse (31310013010313), we get a palindrome (62611044011626).
The spelling of 31301031001313 in words is "thirty-one trillion, three hundred one billion, thirty-one million, one thousand, three hundred thirteen".
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