Base | Representation |
---|---|
bin | 1110001111100100011110… |
… | …00010100000101000111101 |
3 | 11002220021202100020111120021 |
4 | 13013302033002200220331 |
5 | 13101132011114303201 |
6 | 150340450204052141 |
7 | 6411614021333224 |
oct | 707621702405075 |
9 | 132807670214507 |
10 | 31321301322301 |
11 | 9a86320062a41 |
12 | 361a340534051 |
13 | 14627806c00c3 |
14 | 7a3d5d9a3cbb |
15 | 394b13d1bea1 |
hex | 1c7c8f0a0a3d |
31321301322301 has 6 divisors (see below), whose sum is σ = 33056553473502. Its totient is φ = 29672811778680.
The previous prime is 31321301322217. The next prime is 31321301322349. The reversal of 31321301322301 is 10322310312313.
It can be written as a sum of positive squares in only one way, i.e., 30399895232100 + 921406090201 = 5513610^2 + 959899^2 .
It is not a de Polignac number, because 31321301322301 - 219 = 31321300798013 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 (31321301322001) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43381303410 + ... + 43381304131.
It is an arithmetic number, because the mean of its divisors is an integer number (5509425578917).
Almost surely, 231321301322301 is an apocalyptic number.
It is an amenable number.
31321301322301 is a deficient number, since it is larger than the sum of its proper divisors (1735252151201).
31321301322301 is an equidigital number, since it uses as much as digits as its factorization.
31321301322301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86762607579 (or 86762607560 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 31321301322301 its reverse (10322310312313), we get a palindrome (41643611634614).
The spelling of 31321301322301 in words is "thirty-one trillion, three hundred twenty-one billion, three hundred one million, three hundred twenty-two thousand, three hundred one".
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