30120321103 has 8 divisors (see below), whose sum is σ = 30825945360. Its totient is φ = 29421200640.

The previous prime is 30120321097. The next prime is 30120321109. The reversal of 30120321103 is 30112302103.

It is an interprime number because it is at equal distance from previous prime (30120321097) and next prime (30120321109).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30120321103 - 2²¹ = 30118223951 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 (30120321109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616578 + ... + 1635103.

It is an arithmetic number, because the mean of its divisors is an integer number (3853243170).

Almost surely, 2^30120321103 is an apocalyptic number.

30120321103 is a deficient number, since it is larger than the sum of its proper divisors (705624257).

30120321103 is a wasteful number, since it uses less digits than its factorization.

30120321103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251897.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30120321103 its reverse (30112302103), we get a palindrome (60232623206).

The spelling of 30120321103 in words is "thirty billion, one hundred twenty million, three hundred twenty-one thousand, one hundred three".