30003355073 has 2 divisors, whose sum is σ = 30003355074. Its totient is φ = 30003355072.

The previous prime is 30003355007. The next prime is 30003355087. The reversal of 30003355073 is 37055330003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19895666704 + 10107688369 = 141052^2 + 100537^2 .

It is a cyclic number.

It is not a de Polignac number, because 30003355073 - 2²² = 29999160769 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30003355003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15001677536 + 15001677537.

It is an arithmetic number, because the mean of its divisors is an integer number (15001677537).

Almost surely, 2^30003355073 is an apocalyptic number.

It is an amenable number.

30003355073 is a deficient number, since it is larger than the sum of its proper divisors (1).

30003355073 is an equidigital number, since it uses as much as digits as its factorization.

30003355073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14175, while the sum is 29.

Adding to 30003355073 its reverse (37055330003), we get a palindrome (67058685076).

The spelling of 30003355073 in words is "thirty billion, three million, three hundred fifty-five thousand, seventy-three".