Base | Representation |
---|---|
bin | 1110001111000000100001… |
… | …01010100000000111110001 |
3 | 11002211102221021201020121210 |
4 | 13013200100222200013301 |
5 | 13100322444303332241 |
6 | 150323535120110333 |
7 | 6410331525265413 |
oct | 707402052400761 |
9 | 132742837636553 |
10 | 31302001230321 |
11 | 9a791167201a8 |
12 | 3616654a653a9 |
13 | 14609c6021a33 |
14 | 7a304c6309b3 |
15 | 394384756316 |
hex | 1c7810aa01f1 |
31302001230321 has 8 divisors (see below), whose sum is σ = 41736039163264. Its totient is φ = 20867982058800.
The previous prime is 31302001230307. The next prime is 31302001230341. The reversal of 31302001230321 is 12303210020313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31302001230321 - 211 = 31302001228273 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31302001230341) 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, 176905 + ... + 7914246.
It is an arithmetic number, because the mean of its divisors is an integer number (5217004895408).
Almost surely, 231302001230321 is an apocalyptic number.
It is an amenable number.
31302001230321 is a deficient number, since it is larger than the sum of its proper divisors (10434037932943).
31302001230321 is a wasteful number, since it uses less digits than its factorization.
31302001230321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9380711.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 31302001230321 its reverse (12303210020313), we get a palindrome (43605211250634).
The spelling of 31302001230321 in words is "thirty-one trillion, three hundred two billion, one million, two hundred thirty thousand, three hundred twenty-one".
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