13033030030021 has 4 divisors (see below), whose sum is σ = 13069333735200. Its totient is φ = 12996726324844.

The previous prime is 13033030030001. The next prime is 13033030030037. The reversal of 13033030030021 is 12003003033031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13033030030021 - 2¹³ = 13033030021829 is a prime.

It is a super-2 number, since 2×13033030030021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13033030030001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18151852051 + ... + 18151852768.

It is an arithmetic number, because the mean of its divisors is an integer number (3267333433800).

Almost surely, 2^{13033030030021} is an apocalyptic number.

It is an amenable number.

13033030030021 is a deficient number, since it is larger than the sum of its proper divisors (36303705179).

13033030030021 is an equidigital number, since it uses as much as digits as its factorization.

13033030030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36303705178.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 13033030030021 its reverse (12003003033031), we get a palindrome (25036033063052).

The spelling of 13033030030021 in words is "thirteen trillion, thirty-three billion, thirty million, thirty thousand, twenty-one".