Base | Representation |
---|---|
bin | 11100111101110100… |
… | …101101110011000001 |
3 | 2222021112220022121211 |
4 | 130331310231303001 |
5 | 1002144103002241 |
6 | 22142115450121 |
7 | 2150510432530 |
oct | 347564556301 |
9 | 88245808554 |
10 | 31102000321 |
11 | 122102a51a7 |
12 | 603bbb6941 |
13 | 2c187963b2 |
14 | 1710948317 |
15 | c20757781 |
hex | 73dd2dcc1 |
31102000321 has 8 divisors (see below), whose sum is σ = 35607617280. Its totient is φ = 26612001888.
The previous prime is 31102000283. The next prime is 31102000337. The reversal of 31102000321 is 12300020113.
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 31102000321 - 29 = 31101999809 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31102000351) 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, 3900361 + ... + 3908326.
It is an arithmetic number, because the mean of its divisors is an integer number (4450952160).
Almost surely, 231102000321 is an apocalyptic number.
It is an amenable number.
31102000321 is a deficient number, since it is larger than the sum of its proper divisors (4505616959).
31102000321 is an equidigital number, since it uses as much as digits as its factorization.
31102000321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7809263.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 31102000321 its reverse (12300020113), we get a palindrome (43402020434).
The spelling of 31102000321 in words is "thirty-one billion, one hundred two million, three hundred twenty-one", and thus it is an aban number.
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