33213033313 has 16 divisors (see below), whose sum is σ = 34543160064. Its totient is φ = 31908254400.

The previous prime is 33213033251. The next prime is 33213033349. The reversal of 33213033313 is 31333031233.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33213033313 is a prime.

It is a super-2 number, since 2×33213033313² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33213033913) 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, 915231 + ... + 950827.

It is an arithmetic number, because the mean of its divisors is an integer number (2158947504).

Almost surely, 2^33213033313 is an apocalyptic number.

It is an amenable number.

33213033313 is a deficient number, since it is larger than the sum of its proper divisors (1330126751).

33213033313 is a wasteful number, since it uses less digits than its factorization.

33213033313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35952.

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 33213033313 its reverse (31333031233), we get a palindrome (64546064546).

The spelling of 33213033313 in words is "thirty-three billion, two hundred thirteen million, thirty-three thousand, three hundred thirteen".