30103011242 has 4 divisors (see below), whose sum is σ = 45154516866. Its totient is φ = 15051505620.

The previous prime is 30103011229. The next prime is 30103011251. The reversal of 30103011242 is 24211030103.

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

It can be written as a sum of positive squares in only one way, i.e., 29016056281 + 1086954961 = 170341^2 + 32969^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30103011242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7525752809 + ... + 7525752812.

Almost surely, 2^30103011242 is an apocalyptic number.

30103011242 is a deficient number, since it is larger than the sum of its proper divisors (15051505624).

30103011242 is a wasteful number, since it uses less digits than its factorization.

30103011242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15051505623.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30103011242 its reverse (24211030103), we get a palindrome (54314041345).

The spelling of 30103011242 in words is "thirty billion, one hundred three million, eleven thousand, two hundred forty-two".