30020302973 has 2 divisors, whose sum is σ = 30020302974. Its totient is φ = 30020302972.

The previous prime is 30020302957. The next prime is 30020302979. The reversal of 30020302973 is 37920302003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30018334564 + 1968409 = 173258^2 + 1403^2 .

It is an emirp because it is prime and its reverse (37920302003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30020302973 - 2⁴ = 30020302957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30020302979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010151486 + 15010151487.

It is an arithmetic number, because the mean of its divisors is an integer number (15010151487).

Almost surely, 2^30020302973 is an apocalyptic number.

It is an amenable number.

30020302973 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020302973 is an equidigital number, since it uses as much as digits as its factorization.

30020302973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 29.

Adding to 30020302973 its reverse (37920302003), we get a palindrome (67940604976).

It can be divided in two parts, 3002030 and 2973, that added together give a palindrome (3005003).

The spelling of 30020302973 in words is "thirty billion, twenty million, three hundred two thousand, nine hundred seventy-three".