30120113321 has 2 divisors, whose sum is σ = 30120113322. Its totient is φ = 30120113320.

The previous prime is 30120113311. The next prime is 30120113327. The reversal of 30120113321 is 12331102103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27030976921 + 3089136400 = 164411^2 + 55580^2 .

It is an emirp because it is prime and its reverse (12331102103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30120113321 - 2²² = 30115919017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30120113321.

It is not a weakly prime, because it can be changed into another prime (30120113327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060056660 + 15060056661.

It is an arithmetic number, because the mean of its divisors is an integer number (15060056661).

Almost surely, 2^30120113321 is an apocalyptic number.

It is an amenable number.

30120113321 is a deficient number, since it is larger than the sum of its proper divisors (1).

30120113321 is an equidigital number, since it uses as much as digits as its factorization.

30120113321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30120113321 its reverse (12331102103), we get a palindrome (42451215424).

The spelling of 30120113321 in words is "thirty billion, one hundred twenty million, one hundred thirteen thousand, three hundred twenty-one".