Base | Representation |
---|---|
bin | 1110001100111010011100… |
… | …11000110000010010101001 |
3 | 11002120120010221200210221021 |
4 | 13012131032120300102221 |
5 | 13043133041203240241 |
6 | 150230512454212441 |
7 | 6402203031535645 |
oct | 706351630602251 |
9 | 132516127623837 |
10 | 31230022321321 |
11 | 9a5063a48754a |
12 | 3604707354121 |
13 | 1456c94905c15 |
14 | 79d780c8dc25 |
15 | 39257054c0d1 |
hex | 1c674e6304a9 |
31230022321321 has 8 divisors (see below), whose sum is σ = 32385475788224. Its totient is φ = 30090958265520.
The previous prime is 31230022321319. The next prime is 31230022321331. The reversal of 31230022321321 is 12312322003213.
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 31230022321321 - 21 = 31230022321319 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31230022321331) 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, 4097348895 + ... + 4097356516.
It is an arithmetic number, because the mean of its divisors is an integer number (4048184473528).
Almost surely, 231230022321321 is an apocalyptic number.
It is an amenable number.
31230022321321 is a deficient number, since it is larger than the sum of its proper divisors (1155453466903).
31230022321321 is a wasteful number, since it uses less digits than its factorization.
31230022321321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8194705551.
The product of its (nonzero) digits is 2592, while the sum is 25.
Adding to 31230022321321 its reverse (12312322003213), we get a palindrome (43542344324534).
The spelling of 31230022321321 in words is "thirty-one trillion, two hundred thirty billion, twenty-two million, three hundred twenty-one thousand, three hundred twenty-one".
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