Base | Representation |
---|---|
bin | 1110001111111000011001… |
… | …10011101111000011111101 |
3 | 11002221022101001011100102212 |
4 | 13013330030303233003331 |
5 | 13101320414314004041 |
6 | 150345420034030205 |
7 | 6412443125630363 |
oct | 707741463570375 |
9 | 132838331140385 |
10 | 31332001313021 |
11 | 9a8a910a10382 |
12 | 3620427a18365 |
13 | 1463797415666 |
14 | 7a4696a9b633 |
15 | 39503d3998eb |
hex | 1c7f0ccef0fd |
31332001313021 has 8 divisors (see below), whose sum is σ = 31493974944000. Its totient is φ = 31170072946320.
The previous prime is 31332001312999. The next prime is 31332001313027. The reversal of 31332001313021 is 12031310023313.
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 31332001313021 - 238 = 31057123406077 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 (31332001313027) 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, 9927650 + ... + 12697331.
It is an arithmetic number, because the mean of its divisors is an integer number (3936746868000).
Almost surely, 231332001313021 is an apocalyptic number.
It is an amenable number.
31332001313021 is a deficient number, since it is larger than the sum of its proper divisors (161973630979).
31332001313021 is a wasteful number, since it uses less digits than its factorization.
31332001313021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22632139.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 31332001313021 its reverse (12031310023313), we get a palindrome (43363311336334).
The spelling of 31332001313021 in words is "thirty-one trillion, three hundred thirty-two billion, one million, three hundred thirteen thousand, twenty-one".
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