30103013021 has 8 divisors (see below), whose sum is σ = 30501159360. Its totient is φ = 29707460928.

The previous prime is 30103013011. The next prime is 30103013027. The reversal of 30103013021 is 12031030103.

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 30103013021 - 2¹⁰ = 30103011997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30103012987 and 30103013005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103013027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625196 + ... + 671621.

It is an arithmetic number, because the mean of its divisors is an integer number (3812644920).

Almost surely, 2^30103013021 is an apocalyptic number.

It is an amenable number.

30103013021 is a deficient number, since it is larger than the sum of its proper divisors (398146339).

30103013021 is a wasteful number, since it uses less digits than its factorization.

30103013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297123.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 30103013021 its reverse (12031030103), we get a palindrome (42134043124).

The spelling of 30103013021 in words is "thirty billion, one hundred three million, thirteen thousand, twenty-one".