33013032103213 has 4 divisors (see below), whose sum is σ = 33154718936508. Its totient is φ = 32871345269920.

The previous prime is 33013032103211. The next prime is 33013032103243. The reversal of 33013032103213 is 31230123031033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6561369341289 + 26451662761924 = 2561517^2 + 5143118^2 .

It is a cyclic number.

It is not a de Polignac number, because 33013032103213 - 2¹ = 33013032103211 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 (33013032103211) 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, 70843416298 + ... + 70843416763.

It is an arithmetic number, because the mean of its divisors is an integer number (8288679734127).

Almost surely, 2^{33013032103213} is an apocalyptic number.

It is an amenable number.

33013032103213 is a deficient number, since it is larger than the sum of its proper divisors (141686833295).

33013032103213 is a wasteful number, since it uses less digits than its factorization.

33013032103213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141686833294.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 33013032103213 its reverse (31230123031033), we get a palindrome (64243155134246).

The spelling of 33013032103213 in words is "thirty-three trillion, thirteen billion, thirty-two million, one hundred three thousand, two hundred thirteen".