30120213313 has 2 divisors, whose sum is σ = 30120213314. Its totient is φ = 30120213312.

The previous prime is 30120213289. The next prime is 30120213379. The reversal of 30120213313 is 31331202103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17633715264 + 12486498049 = 132792^2 + 111743^2 .

It is a cyclic number.

It is not a de Polignac number, because 30120213313 - 2⁵ = 30120213281 is a prime.

It is not a weakly prime, because it can be changed into another prime (30120213713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060106656 + 15060106657.

It is an arithmetic number, because the mean of its divisors is an integer number (15060106657).

Almost surely, 2^30120213313 is an apocalyptic number.

It is an amenable number.

30120213313 is a deficient number, since it is larger than the sum of its proper divisors (1).

30120213313 is an equidigital number, since it uses as much as digits as its factorization.

30120213313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30120213313 its reverse (31331202103), we get a palindrome (61451415416).

The spelling of 30120213313 in words is "thirty billion, one hundred twenty million, two hundred thirteen thousand, three hundred thirteen".