30303123211 has 4 divisors (see below), whose sum is σ = 30353046592. Its totient is φ = 30253199832.

The previous prime is 30303123197. The next prime is 30303123229. The reversal of 30303123211 is 11232130303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11232130303 = 109 ⋅103047067.

It is a cyclic number.

It is not a de Polignac number, because 30303123211 - 2¹³ = 30303115019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30303123811) 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, 24960780 + ... + 24961993.

It is an arithmetic number, because the mean of its divisors is an integer number (7588261648).

Almost surely, 2^30303123211 is an apocalyptic number.

30303123211 is a deficient number, since it is larger than the sum of its proper divisors (49923381).

30303123211 is an equidigital number, since it uses as much as digits as its factorization.

30303123211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49923380.

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

Adding to 30303123211 its reverse (11232130303), we get a palindrome (41535253514).

The spelling of 30303123211 in words is "thirty billion, three hundred three million, one hundred twenty-three thousand, two hundred eleven".