Base | Representation |
---|---|
bin | 1101110010001001000000… |
… | …00100011001011000100011 |
3 | 10222022121201112101102012221 |
4 | 12321010200010121120203 |
5 | 12433100112242400311 |
6 | 144244140010531511 |
7 | 6245556041020225 |
oct | 671044004313043 |
9 | 128277645342187 |
10 | 30310122231331 |
11 | 97264a58a8598 |
12 | 349637a736b97 |
13 | 13bb303383a47 |
14 | 76b03698c415 |
15 | 378680e3c671 |
hex | 1b9120119623 |
30310122231331 has 4 divisors (see below), whose sum is σ = 30310181919072. Its totient is φ = 30310062543592.
The previous prime is 30310122231293. The next prime is 30310122231373. The reversal of 30310122231331 is 13313222101303.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30310122231331 - 217 = 30310122100259 is a prime.
It is a super-2 number, since 2×303101222313312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30310122231296 and 30310122231305.
It is not an unprimeable number, because it can be changed into a prime (30310122237331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29075560 + ... + 30099973.
It is an arithmetic number, because the mean of its divisors is an integer number (7577545479768).
Almost surely, 230310122231331 is an apocalyptic number.
30310122231331 is a deficient number, since it is larger than the sum of its proper divisors (59687741).
30310122231331 is an equidigital number, since it uses as much as digits as its factorization.
30310122231331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59687740.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 30310122231331 its reverse (13313222101303), we get a palindrome (43623344332634).
The spelling of 30310122231331 in words is "thirty trillion, three hundred ten billion, one hundred twenty-two million, two hundred thirty-one thousand, three hundred thirty-one".
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