Base | Representation |
---|---|
bin | 10110111101111111… |
… | …11010100001000101 |
3 | 1011211101101110021102 |
4 | 23132333322201011 |
5 | 200223243400201 |
6 | 5355341025445 |
7 | 614402510444 |
oct | 133677724105 |
9 | 34741343242 |
10 | 12331231301 |
11 | 5258727654 |
12 | 2481855285 |
13 | 1216978b8c |
14 | 84da00d5b |
15 | 4c289d26b |
hex | 2deffa845 |
12331231301 has 4 divisors (see below), whose sum is σ = 12338516652. Its totient is φ = 12323945952.
The previous prime is 12331231291. The next prime is 12331231331. The reversal of 12331231301 is 10313213321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10313213321 = 44119 ⋅233759.
It can be written as a sum of positive squares in 2 ways, for example, as 3286270276 + 9044961025 = 57326^2 + 95105^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12331231301 is a prime.
It is a super-4 number, since 4×123312313014 (a number of 41 digits) contains 4444 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12331231331) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3640136 + ... + 3643521.
It is an arithmetic number, because the mean of its divisors is an integer number (3084629163).
Almost surely, 212331231301 is an apocalyptic number.
It is an amenable number.
12331231301 is a deficient number, since it is larger than the sum of its proper divisors (7285351).
12331231301 is an equidigital number, since it uses as much as digits as its factorization.
12331231301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7285350.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 12331231301 its reverse (10313213321), we get a palindrome (22644444622).
The spelling of 12331231301 in words is "twelve billion, three hundred thirty-one million, two hundred thirty-one thousand, three hundred one".
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