30120031103 has 8 divisors (see below), whose sum is σ = 30503547648. Its totient is φ = 29737005784.

The previous prime is 30120031063. The next prime is 30120031171. The reversal of 30120031103 is 30113002103.

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 30120031103 - 2²⁰ = 30118982527 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 (30120031703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1400 + ... + 245442.

It is an arithmetic number, because the mean of its divisors is an integer number (3812943456).

Almost surely, 2^30120031103 is an apocalyptic number.

30120031103 is a deficient number, since it is larger than the sum of its proper divisors (383516545).

30120031103 is a wasteful number, since it uses less digits than its factorization.

30120031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245613.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 30120031103 its reverse (30113002103), we get a palindrome (60233033206).

The spelling of 30120031103 in words is "thirty billion, one hundred twenty million, thirty-one thousand, one hundred three".