30241433021 has 2 divisors, whose sum is σ = 30241433022. Its totient is φ = 30241433020.

The previous prime is 30241432979. The next prime is 30241433023. The reversal of 30241433021 is 12033414203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25016167225 + 5225265796 = 158165^2 + 72286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30241433021 is a prime.

It is a Sophie Germain prime.

Together with 30241433023, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30241433023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15120716510 + 15120716511.

It is an arithmetic number, because the mean of its divisors is an integer number (15120716511).

Almost surely, 2^30241433021 is an apocalyptic number.

It is an amenable number.

30241433021 is a deficient number, since it is larger than the sum of its proper divisors (1).

30241433021 is an equidigital number, since it uses as much as digits as its factorization.

30241433021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30241433021 its reverse (12033414203), we get a palindrome (42274847224).

The spelling of 30241433021 in words is "thirty billion, two hundred forty-one million, four hundred thirty-three thousand, twenty-one".