30120333013 has 2 divisors, whose sum is σ = 30120333014. Its totient is φ = 30120333012.

The previous prime is 30120333007. The next prime is 30120333037. The reversal of 30120333013 is 31033302103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19037928484 + 11082404529 = 137978^2 + 105273^2 .

It is a cyclic number.

It is not a de Polignac number, because 30120333013 - 2²⁵ = 30086778581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30120333613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060166506 + 15060166507.

It is an arithmetic number, because the mean of its divisors is an integer number (15060166507).

Almost surely, 2^30120333013 is an apocalyptic number.

It is an amenable number.

30120333013 is a deficient number, since it is larger than the sum of its proper divisors (1).

30120333013 is an equidigital number, since it uses as much as digits as its factorization.

30120333013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 30120333013 its reverse (31033302103), we get a palindrome (61153635116).

The spelling of 30120333013 in words is "thirty billion, one hundred twenty million, three hundred thirty-three thousand, thirteen".