30139494103 has 4 divisors (see below), whose sum is σ = 30139848648. Its totient is φ = 30139139560.

The previous prime is 30139494067. The next prime is 30139494109. The reversal of 30139494103 is 30149493103.

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, and also an emirpimes, since its reverse is a distinct semiprime: 30149493103 = 41179 ⋅732157.

It is a cyclic number.

It is not a de Polignac number, because 30139494103 - 2²¹ = 30137396951 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 (30139494109) 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, 34848 + ... + 247978.

It is an arithmetic number, because the mean of its divisors is an integer number (7534962162).

Almost surely, 2^30139494103 is an apocalyptic number.

30139494103 is a deficient number, since it is larger than the sum of its proper divisors (354545).

30139494103 is a wasteful number, since it uses less digits than its factorization.

30139494103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354544.

The product of its (nonzero) digits is 34992, while the sum is 37.

The spelling of 30139494103 in words is "thirty billion, one hundred thirty-nine million, four hundred ninety-four thousand, one hundred three".