Base | Representation |
---|---|
bin | 1110001100001000010011… |
… | …10001010000010001100101 |
3 | 11002110222122210001211212201 |
4 | 13012010021301100101211 |
5 | 13042212422413441401 |
6 | 150210301251414501 |
7 | 6400230636663415 |
oct | 706041161202145 |
9 | 132428583054781 |
10 | 31203101312101 |
11 | 9a401852558a4 |
12 | 35bb4535b4431 |
13 | 14545943c1274 |
14 | 79c349730645 |
15 | 3919e6dbbb01 |
hex | 1c6109c50465 |
31203101312101 has 8 divisors (see below), whose sum is σ = 32560367212800. Its totient is φ = 29845886188272.
The previous prime is 31203101312057. The next prime is 31203101312129. The reversal of 31203101312101 is 10121310130213.
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 31203101312101 - 219 = 31203100787813 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 (31203105312101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11435805 + ... + 13899058.
It is an arithmetic number, because the mean of its divisors is an integer number (4070045901600).
Almost surely, 231203101312101 is an apocalyptic number.
It is an amenable number.
31203101312101 is a deficient number, since it is larger than the sum of its proper divisors (1357265900699).
31203101312101 is a wasteful number, since it uses less digits than its factorization.
31203101312101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25388435.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 31203101312101 its reverse (10121310130213), we get a palindrome (41324411442314).
The spelling of 31203101312101 in words is "thirty-one trillion, two hundred three billion, one hundred one million, three hundred twelve thousand, one hundred one".
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