30203021122013 has 8 divisors (see below), whose sum is σ = 30207028171320. Its totient is φ = 30199014353920.

The previous prime is 30203021121907. The next prime is 30203021122019. The reversal of 30203021122013 is 31022112030203.

It can be written as a sum of positive squares in 4 ways, for example, as 9513140898244 + 20689880223769 = 3084338^2 + 4548613^2 .

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 30203021122013 - 2²⁶ = 30202954013149 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 (30203021122019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286860143 + ... + 286965411.

It is an arithmetic number, because the mean of its divisors is an integer number (3775878521415).

Almost surely, 2^{30203021122013} is an apocalyptic number.

It is an amenable number.

30203021122013 is a deficient number, since it is larger than the sum of its proper divisors (4007049307).

30203021122013 is a wasteful number, since it uses less digits than its factorization.

30203021122013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140607.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30203021122013 its reverse (31022112030203), we get a palindrome (61225133152216).

The spelling of 30203021122013 in words is "thirty trillion, two hundred three billion, twenty-one million, one hundred twenty-two thousand, thirteen".