30220300091 has 4 divisors (see below), whose sum is σ = 30242184384. Its totient is φ = 30198415800.

The previous prime is 30220300063. The next prime is 30220300141. The reversal of 30220300091 is 19000302203.

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 30220300091 - 2⁶ = 30220300027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30220300021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10940075 + ... + 10942836.

It is an arithmetic number, because the mean of its divisors is an integer number (7560546096).

Almost surely, 2^30220300091 is an apocalyptic number.

30220300091 is a deficient number, since it is larger than the sum of its proper divisors (21884293).

30220300091 is a wasteful number, since it uses less digits than its factorization.

30220300091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21884292.

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

Adding to 30220300091 its reverse (19000302203), we get a palindrome (49220602294).

The spelling of 30220300091 in words is "thirty billion, two hundred twenty million, three hundred thousand, ninety-one".