30120303103 has 16 divisors (see below), whose sum is σ = 33040275840. Its totient is φ = 27230997600.

The previous prime is 30120303053. The next prime is 30120303113. The reversal of 30120303103 is 30130302103.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30120303103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120303113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1680676 + ... + 1698502.

It is an arithmetic number, because the mean of its divisors is an integer number (2065017240).

Almost surely, 2^30120303103 is an apocalyptic number.

30120303103 is a deficient number, since it is larger than the sum of its proper divisors (2919972737).

30120303103 is a wasteful number, since it uses less digits than its factorization.

30120303103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18678.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 30120303103 its reverse (30130302103), we get a palindrome (60250605206).

The spelling of 30120303103 in words is "thirty billion, one hundred twenty million, three hundred three thousand, one hundred three".