30000221743 has 2 divisors, whose sum is σ = 30000221744. Its totient is φ = 30000221742.

The previous prime is 30000221737. The next prime is 30000221791. The reversal of 30000221743 is 34712200003.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30000221743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30000222743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000110871 + 15000110872.

It is an arithmetic number, because the mean of its divisors is an integer number (15000110872).

Almost surely, 2^30000221743 is an apocalyptic number.

30000221743 is a deficient number, since it is larger than the sum of its proper divisors (1).

30000221743 is an equidigital number, since it uses as much as digits as its factorization.

30000221743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

Adding to 30000221743 its reverse (34712200003), we get a palindrome (64712421746).

The spelling of 30000221743 in words is "thirty billion, two hundred twenty-one thousand, seven hundred forty-three".