21030303013330 has 16 divisors (see below), whose sum is σ = 40766433533784. Its totient is φ = 7765034958720.

The previous prime is 21030303013319. The next prime is 21030303013333. The reversal of 21030303013330 is 3331030303012.

It can be written as a sum of positive squares in 4 ways, for example, as 18930617970489 + 2099685042841 = 4350933^2 + 1449029^2 .

It is not an unprimeable number, because it can be changed into a prime (21030303013333) 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, 80885780691 + ... + 80885780950.

Almost surely, 2^{21030303013330} is an apocalyptic number.

21030303013330 is a deficient number, since it is larger than the sum of its proper divisors (19736130520454).

21030303013330 is a wasteful number, since it uses less digits than its factorization.

21030303013330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161771561661.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 21030303013330 its reverse (3331030303012), we get a palindrome (24361333316342).

The spelling of 21030303013330 in words is "twenty-one trillion, thirty billion, three hundred three million, thirteen thousand, three hundred thirty".