30203130013221 has 16 divisors (see below), whose sum is σ = 43977256570368. Its totient is φ = 18285997657200.

The previous prime is 30203130013141. The next prime is 30203130013241. The reversal of 30203130013221 is 12231003130203.

It is not a de Polignac number, because 30203130013221 - 2²² = 30203125818917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203130013241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473208195 + ... + 473272016.

It is an arithmetic number, because the mean of its divisors is an integer number (2748578535648).

Almost surely, 2^{30203130013221} is an apocalyptic number.

It is an amenable number.

30203130013221 is a deficient number, since it is larger than the sum of its proper divisors (13774126557147).

30203130013221 is a wasteful number, since it uses less digits than its factorization.

30203130013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946481192.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30203130013221 its reverse (12231003130203), we get a palindrome (42434133143424).

The spelling of 30203130013221 in words is "thirty trillion, two hundred three billion, one hundred thirty million, thirteen thousand, two hundred twenty-one".