30243333334243 has 2 divisors, whose sum is σ = 30243333334244. Its totient is φ = 30243333334242.

The previous prime is 30243333334241. The next prime is 30243333334259. The reversal of 30243333334243 is 34243333334203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30243333334243 - 2¹ = 30243333334241 is a prime.

It is a super-2 number, since 2×30243333334243² (a number of 28 digits) contains 22 as substring.

Together with 30243333334241, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 30243333334196 and 30243333334205.

It is not a weakly prime, because it can be changed into another prime (30243333334241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15121666667121 + 15121666667122.

It is an arithmetic number, because the mean of its divisors is an integer number (15121666667122).

Almost surely, 2^{30243333334243} is an apocalyptic number.

30243333334243 is a deficient number, since it is larger than the sum of its proper divisors (1).

30243333334243 is an equidigital number, since it uses as much as digits as its factorization.

30243333334243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 40.

Subtracting from 30243333334243 its sum of digits (40), we obtain a palindrome (30243333334203).

Adding to 30243333334243 its reverse (34243333334203), we get a palindrome (64486666668446).

The spelling of 30243333334243 in words is "thirty trillion, two hundred forty-three billion, three hundred thirty-three million, three hundred thirty-four thousand, two hundred forty-three".