30348775811 has 4 divisors (see below), whose sum is σ = 30349219824. Its totient is φ = 30348331800.

The previous prime is 30348775727. The next prime is 30348775813. The reversal of 30348775811 is 11857784303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11857784303 = 97 ⋅122245199.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30348775811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30348775813) 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, 95420 + ... + 264201.

It is an arithmetic number, because the mean of its divisors is an integer number (7587304956).

Almost surely, 2^30348775811 is an apocalyptic number.

30348775811 is a deficient number, since it is larger than the sum of its proper divisors (444013).

30348775811 is an equidigital number, since it uses as much as digits as its factorization.

30348775811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444012.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 30348775811 in words is "thirty billion, three hundred forty-eight million, seven hundred seventy-five thousand, eight hundred eleven".