Base | Representation |
---|---|
bin | 100011011111100100000100… |
… | …0111001011110101110011111 |
3 | 1111221102011011220221120011021 |
4 | 1012333020020321132232133 |
5 | 311410101301420011111 |
6 | 3023555150220105011 |
7 | 122521541541521305 |
oct | 10677101071365637 |
9 | 1457364156846137 |
10 | 312201322032031 |
11 | 90527923240783 |
12 | 2b02285b095167 |
13 | 105285c5c93b33 |
14 | 57148a5d10275 |
15 | 2616115ce6d71 |
hex | 11bf208e5eb9f |
312201322032031 has 8 divisors (see below), whose sum is σ = 335221966325664. Its totient is φ = 289697995587840.
The previous prime is 312201322032011. The next prime is 312201322032077. The reversal of 312201322032031 is 130230223102213.
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 312201322032031 - 243 = 303405229009823 is a prime.
It is a super-2 number, since 2×3122013220320312 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 312201322031987 and 312201322032005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312201322032011) 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, 129329461110 + ... + 129329463523.
It is an arithmetic number, because the mean of its divisors is an integer number (41902745790708).
Almost surely, 2312201322032031 is an apocalyptic number.
312201322032031 is a deficient number, since it is larger than the sum of its proper divisors (23020644293633).
312201322032031 is a wasteful number, since it uses less digits than its factorization.
312201322032031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258658924721.
The product of its (nonzero) digits is 2592, while the sum is 25.
Adding to 312201322032031 its reverse (130230223102213), we get a palindrome (442431545134244).
The spelling of 312201322032031 in words is "three hundred twelve trillion, two hundred one billion, three hundred twenty-two million, thirty-two thousand, thirty-one".
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