Base | Representation |
---|---|
bin | 1110001111010000001101… |
… | …01001100010101100001011 |
3 | 11002212020200020000122100101 |
4 | 13013220012221202230023 |
5 | 13100442221311004011 |
6 | 150331450530550231 |
7 | 6411050321325301 |
oct | 707500651425413 |
9 | 132766606018311 |
10 | 31310423141131 |
11 | 9a81748669472 |
12 | 3618205438377 |
13 | 1461738aa8504 |
14 | 7a360ad64271 |
15 | 3946c8ce22c1 |
hex | 1c7a06a62b0b |
31310423141131 has 8 divisors (see below), whose sum is σ = 32157025463600. Its totient is φ = 30463840538208.
The previous prime is 31310423141093. The next prime is 31310423141161. The reversal of 31310423141131 is 13114132401313.
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 31310423141131 - 243 = 22514330118923 is a prime.
It is a super-2 number, since 2×313104231411312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31310423141131.
It is not an unprimeable number, because it can be changed into a prime (31310423141161) 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, 1682856 + ... + 8090293.
It is an arithmetic number, because the mean of its divisors is an integer number (4019628182950).
Almost surely, 231310423141131 is an apocalyptic number.
31310423141131 is a deficient number, since it is larger than the sum of its proper divisors (846602322469).
31310423141131 is an equidigital number, since it uses as much as digits as its factorization.
31310423141131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9859773.
The product of its (nonzero) digits is 2592, while the sum is 28.
Adding to 31310423141131 its reverse (13114132401313), we get a palindrome (44424555542444).
The spelling of 31310423141131 in words is "thirty-one trillion, three hundred ten billion, four hundred twenty-three million, one hundred forty-one thousand, one hundred thirty-one".
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