30120233103 has 16 divisors (see below), whose sum is σ = 44626986240. Its totient is φ = 20078167032.

The previous prime is 30120233047. The next prime is 30120233137. The reversal of 30120233103 is 30133202103.

It is not a de Polignac number, because 30120233103 - 2¹⁷ = 30120102031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120233603) 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, 253950 + ... + 353172.

It is an arithmetic number, because the mean of its divisors is an integer number (2789186640).

Almost surely, 2^30120233103 is an apocalyptic number.

30120233103 is a deficient number, since it is larger than the sum of its proper divisors (14506753137).

30120233103 is a wasteful number, since it uses less digits than its factorization.

30120233103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110475 (or 110469 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30120233103 its reverse (30133202103), we get a palindrome (60253435206).

The spelling of 30120233103 in words is "thirty billion, one hundred twenty million, two hundred thirty-three thousand, one hundred three".