Base | Representation |
---|---|
bin | 11100001110101000… |
… | …101111001110111011 |
3 | 2220020101020100220211 |
4 | 130032220233032323 |
5 | 444033421100243 |
6 | 21531355331551 |
7 | 2122055364616 |
oct | 341650571673 |
9 | 86211210824 |
10 | 30310331323 |
11 | 119444345a8 |
12 | 5a5aa50bb7 |
13 | 2b2076c4bc |
14 | 167774b17d |
15 | bc5ec8d9d |
hex | 70ea2f3bb |
30310331323 has 4 divisors (see below), whose sum is σ = 30311256880. Its totient is φ = 30309405768.
The previous prime is 30310331309. The next prime is 30310331329. The reversal of 30310331323 is 32313301303.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32313301303 = 47 ⋅687517049.
It is a cyclic number.
It is not a de Polignac number, because 30310331323 - 221 = 30308234171 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30310331294 and 30310331303.
It is not an unprimeable number, because it can be changed into a prime (30310331329) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411783 + ... + 479776.
It is an arithmetic number, because the mean of its divisors is an integer number (7577814220).
Almost surely, 230310331323 is an apocalyptic number.
30310331323 is a deficient number, since it is larger than the sum of its proper divisors (925557).
30310331323 is an equidigital number, since it uses as much as digits as its factorization.
30310331323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 925556.
The product of its (nonzero) digits is 1458, while the sum is 22.
Adding to 30310331323 its reverse (32313301303), we get a palindrome (62623632626).
The spelling of 30310331323 in words is "thirty billion, three hundred ten million, three hundred thirty-one thousand, three hundred twenty-three".
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