30103120421 has 8 divisors (see below), whose sum is σ = 34568176800. Its totient is φ = 25926132240.

The previous prime is 30103120417. The next prime is 30103120427. The reversal of 30103120421 is 12402130103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30103120421 - 2² = 30103120417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30103120421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103120427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72016826 + ... + 72017243.

It is an arithmetic number, because the mean of its divisors is an integer number (4321022100).

Almost surely, 2^30103120421 is an apocalyptic number.

It is an amenable number.

30103120421 is a deficient number, since it is larger than the sum of its proper divisors (4465056379).

30103120421 is a wasteful number, since it uses less digits than its factorization.

30103120421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144034099.

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

Adding to 30103120421 its reverse (12402130103), we get a palindrome (42505250524).

The spelling of 30103120421 in words is "thirty billion, one hundred three million, one hundred twenty thousand, four hundred twenty-one".