30011021331103 has 4 divisors (see below), whose sum is σ = 30458947022680. Its totient is φ = 29563095639528.

The previous prime is 30011021331073. The next prime is 30011021331119. The reversal of 30011021331103 is 30113312011003.

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-30011021331103 is a prime.

It is a super-2 number, since 2×30011021331103² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30011021361103) 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 3 ways as a sum of consecutive naturals, for example, 223962845688 + ... + 223962845821.

It is an arithmetic number, because the mean of its divisors is an integer number (7614736755670).

Almost surely, 2^{30011021331103} is an apocalyptic number.

30011021331103 is a deficient number, since it is larger than the sum of its proper divisors (447925691577).

30011021331103 is an equidigital number, since it uses as much as digits as its factorization.

30011021331103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447925691576.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 30011021331103 its reverse (30113312011003), we get a palindrome (60124333342106).

The spelling of 30011021331103 in words is "thirty trillion, eleven billion, twenty-one million, three hundred thirty-one thousand, one hundred three".