33020213313 has 8 divisors (see below), whose sum is σ = 46616771808. Its totient is φ = 20718565184.

The previous prime is 33020213309. The next prime is 33020213321. The reversal of 33020213313 is 31331202033.

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 33020213313 - 2² = 33020213309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33020213313.

It is not an unprimeable number, because it can be changed into a prime (33020213383) 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, 323727531 + ... + 323727632.

It is an arithmetic number, because the mean of its divisors is an integer number (5827096476).

Almost surely, 2^33020213313 is an apocalyptic number.

It is an amenable number.

33020213313 is a deficient number, since it is larger than the sum of its proper divisors (13596558495).

33020213313 is a wasteful number, since it uses less digits than its factorization.

33020213313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647455183.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 33020213313 its reverse (31331202033), we get a palindrome (64351415346).

The spelling of 33020213313 in words is "thirty-three billion, twenty million, two hundred thirteen thousand, three hundred thirteen".