30111130103 has 4 divisors (see below), whose sum is σ = 30111992280. Its totient is φ = 30110267928.

The previous prime is 30111130043. The next prime is 30111130111. The reversal of 30111130103 is 30103111103.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30111130103 - 2⁶ = 30111130039 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 (30111130193) 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, 376388 + ... + 449321.

It is an arithmetic number, because the mean of its divisors is an integer number (7527998070).

Almost surely, 2^30111130103 is an apocalyptic number.

30111130103 is a deficient number, since it is larger than the sum of its proper divisors (862177).

30111130103 is an equidigital number, since it uses as much as digits as its factorization.

30111130103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862176.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 30111130103 its reverse (30103111103), we get a palindrome (60214241206).

The spelling of 30111130103 in words is "thirty billion, one hundred eleven million, one hundred thirty thousand, one hundred three".