30439591103 has 4 divisors (see below), whose sum is σ = 30439940760. Its totient is φ = 30439241448.

The previous prime is 30439591019. The next prime is 30439591139. The reversal of 30439591103 is 30119593403.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30439591103 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 (30439591183) 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, 70628 + ... + 256646.

It is an arithmetic number, because the mean of its divisors is an integer number (7609985190).

Almost surely, 2^30439591103 is an apocalyptic number.

30439591103 is a deficient number, since it is larger than the sum of its proper divisors (349657).

30439591103 is a wasteful number, since it uses less digits than its factorization.

30439591103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349656.

The product of its (nonzero) digits is 43740, while the sum is 38.

The spelling of 30439591103 in words is "thirty billion, four hundred thirty-nine million, five hundred ninety-one thousand, one hundred three".