30033100073 has 2 divisors, whose sum is σ = 30033100074. Its totient is φ = 30033100072.

The previous prime is 30033100051. The next prime is 30033100121. The reversal of 30033100073 is 37000133003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30013137049 + 19963024 = 173243^2 + 4468^2 .

It is a cyclic number.

It is not a de Polignac number, because 30033100073 - 2²⁸ = 29764664617 is a prime.

It is not a weakly prime, because it can be changed into another prime (30033100043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15016550036 + 15016550037.

It is an arithmetic number, because the mean of its divisors is an integer number (15016550037).

Almost surely, 2^30033100073 is an apocalyptic number.

It is an amenable number.

30033100073 is a deficient number, since it is larger than the sum of its proper divisors (1).

30033100073 is an equidigital number, since it uses as much as digits as its factorization.

30033100073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 20.

Adding to 30033100073 its reverse (37000133003), we get a palindrome (67033233076).

The spelling of 30033100073 in words is "thirty billion, thirty-three million, one hundred thousand, seventy-three".