30213222973 has 2 divisors, whose sum is σ = 30213222974. Its totient is φ = 30213222972.

The previous prime is 30213222967. The next prime is 30213223031. The reversal of 30213222973 is 37922231203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29591568484 + 621654489 = 172022^2 + 24933^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30213222973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30213222943) 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 as a sum of consecutive naturals, namely, 15106611486 + 15106611487.

It is an arithmetic number, because the mean of its divisors is an integer number (15106611487).

Almost surely, 2^30213222973 is an apocalyptic number.

It is an amenable number.

30213222973 is a deficient number, since it is larger than the sum of its proper divisors (1).

30213222973 is an equidigital number, since it uses as much as digits as its factorization.

30213222973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The spelling of 30213222973 in words is "thirty billion, two hundred thirteen million, two hundred twenty-two thousand, nine hundred seventy-three".