30111220213 has 8 divisors (see below), whose sum is σ = 30485073600. Its totient is φ = 29738156448.

The previous prime is 30111220189. The next prime is 30111220241. The reversal of 30111220213 is 31202211103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30111220213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30111220253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120481 + ... + 273382.

It is an arithmetic number, because the mean of its divisors is an integer number (3810634200).

Almost surely, 2^30111220213 is an apocalyptic number.

It is an amenable number.

30111220213 is a deficient number, since it is larger than the sum of its proper divisors (373853387).

30111220213 is an equidigital number, since it uses as much as digits as its factorization.

30111220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394811.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30111220213 its reverse (31202211103), we get a palindrome (61313431316).

The spelling of 30111220213 in words is "thirty billion, one hundred eleven million, two hundred twenty thousand, two hundred thirteen".