30111312420243 has 36 divisors (see below), whose sum is σ = 46819933335864. Its totient is φ = 18583644729600.

The previous prime is 30111312420187. The next prime is 30111312420251. The reversal of 30111312420243 is 34202421311103.

30111312420243 is a `hidden beast` number, since 30 + 111 + 312 + 4 + 202 + 4 + 3 = 666.

It is not a de Polignac number, because 30111312420243 - 2²⁰ = 30111311371667 is a prime.

It is a super-2 number, since 2×30111312420243² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30111312410243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25875993 + ... + 27014618.

It is an arithmetic number, because the mean of its divisors is an integer number (1300553703774).

Almost surely, 2^{30111312420243} is an apocalyptic number.

30111312420243 is a deficient number, since it is larger than the sum of its proper divisors (16708620915621).

30111312420243 is a wasteful number, since it uses less digits than its factorization.

30111312420243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52890756 (or 52890692 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 30111312420243 its reverse (34202421311103), we get a palindrome (64313733731346).

The spelling of 30111312420243 in words is "thirty trillion, one hundred eleven billion, three hundred twelve million, four hundred twenty thousand, two hundred forty-three".