Base | Representation |
---|---|
bin | 1001000001111111111… |
… | …11110100111111000101 |
3 | 1002122222010112110211110 |
4 | 10200333333310333011 |
5 | 20041004200421041 |
6 | 354315520555233 |
7 | 31263542613102 |
oct | 4407777647705 |
9 | 1078863473743 |
10 | 310311342021 |
11 | 10a66973216a |
12 | 50182782b19 |
13 | 23354188515 |
14 | 1103a78baa9 |
15 | 8112a6b516 |
hex | 483fff4fc5 |
310311342021 has 8 divisors (see below), whose sum is σ = 427095180544. Its totient is φ = 200200865760.
The previous prime is 310311342007. The next prime is 310311342031. The reversal of 310311342021 is 120243113013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 310311342021 - 211 = 310311339973 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (310311342031) 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, 1668340456 + ... + 1668340641.
It is an arithmetic number, because the mean of its divisors is an integer number (53386897568).
Almost surely, 2310311342021 is an apocalyptic number.
310311342021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
310311342021 is a deficient number, since it is larger than the sum of its proper divisors (116783838523).
310311342021 is a wasteful number, since it uses less digits than its factorization.
310311342021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3336681131.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 310311342021 its reverse (120243113013), we get a palindrome (430554455034).
The spelling of 310311342021 in words is "three hundred ten billion, three hundred eleven million, three hundred forty-two thousand, twenty-one".
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