Base | Representation |
---|---|
bin | 1110001111100100000110… |
… | …10010001010111110110101 |
3 | 11002220021020121010122012210 |
4 | 13013302003102022332311 |
5 | 13101131110122220201 |
6 | 150340414441004033 |
7 | 6411606105102000 |
oct | 707620322127665 |
9 | 132807217118183 |
10 | 31321104101301 |
11 | 9a862297a8983 |
12 | 361a2a6483619 |
13 | 146274b8999a1 |
14 | 7a3d41706537 |
15 | 394b018611d6 |
hex | 1c7c8348afb5 |
31321104101301 has 16 divisors (see below), whose sum is σ = 48701425232000. Its totient is φ = 17897773771584.
The previous prime is 31321104101281. The next prime is 31321104101323. The reversal of 31321104101301 is 10310140112313.
It is not a de Polignac number, because 31321104101301 - 25 = 31321104101269 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31321104101341) 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, 15219194356 + ... + 15219196413.
It is an arithmetic number, because the mean of its divisors is an integer number (3043839077000).
Almost surely, 231321104101301 is an apocalyptic number.
It is an amenable number.
31321104101301 is a deficient number, since it is larger than the sum of its proper divisors (17380321130699).
31321104101301 is an equidigital number, since it uses as much as digits as its factorization.
31321104101301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30438390793 (or 30438390779 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 21.
Adding to 31321104101301 its reverse (10310140112313), we get a palindrome (41631244213614).
The spelling of 31321104101301 in words is "thirty-one trillion, three hundred twenty-one billion, one hundred four million, one hundred one thousand, three hundred one".
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