30111013103 has 4 divisors (see below), whose sum is σ = 30111637200. Its totient is φ = 30110389008.

The previous prime is 30111013087. The next prime is 30111013147. The reversal of 30111013103 is 30131011103.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30131011103 = 23 ⋅1310043961.

It is a cyclic number.

It is not a de Polignac number, because 30111013103 - 2⁴ = 30111013087 is a prime.

It is a super-2 number, since 2×30111013103² (a number of 22 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 (30111013703) 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 3 ways as a sum of consecutive naturals, for example, 233003 + ... + 338396.

It is an arithmetic number, because the mean of its divisors is an integer number (7527909300).

Almost surely, 2^30111013103 is an apocalyptic number.

30111013103 is a deficient number, since it is larger than the sum of its proper divisors (624097).

30111013103 is an equidigital number, since it uses as much as digits as its factorization.

30111013103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624096.

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

Adding to 30111013103 its reverse (30131011103), we get a palindrome (60242024206).

The spelling of 30111013103 in words is "thirty billion, one hundred eleven million, thirteen thousand, one hundred three".