Base | Representation |
---|---|
bin | 1110001100011010110011… |
… | …01011110111000100010001 |
3 | 11002111221021212102120101122 |
4 | 13012031121223313010101 |
5 | 13042343242143310001 |
6 | 150215022521012025 |
7 | 6401032013346422 |
oct | 706153153670421 |
9 | 132457255376348 |
10 | 31213032010001 |
11 | 9a44410936146 |
12 | 3601365324015 |
13 | 14554b792577a |
14 | 79ca0c5b3649 |
15 | 391dc8b3ab1b |
hex | 1c6359af7111 |
31213032010001 has 8 divisors (see below), whose sum is σ = 31680943408800. Its totient is φ = 30745180765728.
The previous prime is 31213032009997. The next prime is 31213032010081. The reversal of 31213032010001 is 10001023031213.
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 31213032010001 - 22 = 31213032009997 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31213032010081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13992551 + ... + 16069148.
It is an arithmetic number, because the mean of its divisors is an integer number (3960117926100).
Almost surely, 231213032010001 is an apocalyptic number.
It is an amenable number.
31213032010001 is a deficient number, since it is larger than the sum of its proper divisors (467911398799).
31213032010001 is a wasteful number, since it uses less digits than its factorization.
31213032010001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30077263.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 31213032010001 its reverse (10001023031213), we get a palindrome (41214055041214).
The spelling of 31213032010001 in words is "thirty-one trillion, two hundred thirteen billion, thirty-two million, ten thousand, one".
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