30220311983 has 2 divisors, whose sum is σ = 30220311984. Its totient is φ = 30220311982.

The previous prime is 30220311977. The next prime is 30220312013. The reversal of 30220311983 is 38911302203.

It is a weak prime.

It is an emirp because it is prime and its reverse (38911302203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30220311983 - 2¹⁰ = 30220310959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30220311973) 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, 15110155991 + 15110155992.

It is an arithmetic number, because the mean of its divisors is an integer number (15110155992).

Almost surely, 2^30220311983 is an apocalyptic number.

30220311983 is a deficient number, since it is larger than the sum of its proper divisors (1).

30220311983 is an equidigital number, since it uses as much as digits as its factorization.

30220311983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 30220311983 in words is "thirty billion, two hundred twenty million, three hundred eleven thousand, nine hundred eighty-three".