30020300031103 has 4 divisors (see below), whose sum is σ = 30752502470928. Its totient is φ = 29288097591280.

The previous prime is 30020300031091. The next prime is 30020300031157. The reversal of 30020300031103 is 30113000302003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30020300031103 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 (30020300031193) 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, 366101219851 + ... + 366101219932.

It is an arithmetic number, because the mean of its divisors is an integer number (7688125617732).

Almost surely, 2^{30020300031103} is an apocalyptic number.

30020300031103 is a deficient number, since it is larger than the sum of its proper divisors (732202439825).

30020300031103 is an equidigital number, since it uses as much as digits as its factorization.

30020300031103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732202439824.

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

Adding to 30020300031103 its reverse (30113000302003), we get a palindrome (60133300333106).

The spelling of 30020300031103 in words is "thirty trillion, twenty billion, three hundred million, thirty-one thousand, one hundred three".