30443320243 has 32 divisors (see below), whose sum is σ = 35978640768. Its totient is φ = 25214976000.

The previous prime is 30443320223. The next prime is 30443320249. The reversal of 30443320243 is 34202334403.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30443320243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30443320249) 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 31 ways as a sum of consecutive naturals, for example, 40003983 + ... + 40004743.

It is an arithmetic number, because the mean of its divisors is an integer number (1124332524).

Almost surely, 2^30443320243 is an apocalyptic number.

30443320243 is a deficient number, since it is larger than the sum of its proper divisors (5535320525).

30443320243 is a wasteful number, since it uses less digits than its factorization.

30443320243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 30443320243 its reverse (34202334403), we get a palindrome (64645654646).

The spelling of 30443320243 in words is "thirty billion, four hundred forty-three million, three hundred twenty thousand, two hundred forty-three".