30121130303 has 16 divisors (see below), whose sum is σ = 34799867136. Its totient is φ = 25801343040.

The previous prime is 30121130297. The next prime is 30121130321. The reversal of 30121130303 is 30303112103.

It is not a de Polignac number, because 30121130303 - 2⁴ = 30121130287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121130353) 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, 871526 + ... + 905427.

It is an arithmetic number, because the mean of its divisors is an integer number (2174991696).

Almost surely, 2^30121130303 is an apocalyptic number.

30121130303 is a deficient number, since it is larger than the sum of its proper divisors (4678736833).

30121130303 is a wasteful number, since it uses less digits than its factorization.

30121130303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777054.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30121130303 its reverse (30303112103), we get a palindrome (60424242406).

The spelling of 30121130303 in words is "thirty billion, one hundred twenty-one million, one hundred thirty thousand, three hundred three".