30123103211 has 8 divisors (see below), whose sum is σ = 30195509760. Its totient is φ = 30050731368.

The previous prime is 30123103207. The next prime is 30123103223. The reversal of 30123103211 is 11230132103.

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

It is a cyclic number.

It is not a de Polignac number, because 30123103211 - 2² = 30123103207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30123103211.

It is not an unprimeable number, because it can be changed into a prime (30123103111) 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 7 ways as a sum of consecutive naturals, for example, 2721290 + ... + 2732336.

It is an arithmetic number, because the mean of its divisors is an integer number (3774438720).

Almost surely, 2^30123103211 is an apocalyptic number.

30123103211 is a deficient number, since it is larger than the sum of its proper divisors (72406549).

30123103211 is a wasteful number, since it uses less digits than its factorization.

30123103211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17353.

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

Adding to 30123103211 its reverse (11230132103), we get a palindrome (41353235314).

The spelling of 30123103211 in words is "thirty billion, one hundred twenty-three million, one hundred three thousand, two hundred eleven".