30321313211 has 4 divisors (see below), whose sum is σ = 34652929392. Its totient is φ = 25989697032.

The previous prime is 30321313207. The next prime is 30321313219. The reversal of 30321313211 is 11231312303.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30321313211 - 2² = 30321313207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30321313219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2165808080 + ... + 2165808093.

It is an arithmetic number, because the mean of its divisors is an integer number (8663232348).

Almost surely, 2^30321313211 is an apocalyptic number.

30321313211 is a deficient number, since it is larger than the sum of its proper divisors (4331616181).

30321313211 is an equidigital number, since it uses as much as digits as its factorization.

30321313211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4331616180.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30321313211 its reverse (11231312303), we get a palindrome (41552625514).

The spelling of 30321313211 in words is "thirty billion, three hundred twenty-one million, three hundred thirteen thousand, two hundred eleven".