30221328079 has 2 divisors, whose sum is σ = 30221328080. Its totient is φ = 30221328078.

The previous prime is 30221328037. The next prime is 30221328089. The reversal of 30221328079 is 97082312203.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30221328079 - 2⁷ = 30221327951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30221328089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110664039 + 15110664040.

It is an arithmetic number, because the mean of its divisors is an integer number (15110664040).

Almost surely, 2^30221328079 is an apocalyptic number.

30221328079 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221328079 is an equidigital number, since it uses as much as digits as its factorization.

30221328079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 30221328079 in words is "thirty billion, two hundred twenty-one million, three hundred twenty-eight thousand, seventy-nine".