33003313213 has 12 divisors (see below), whose sum is σ = 36226881300. Its totient is φ = 30047262336.

The previous prime is 33003313201. The next prime is 33003313241. The reversal of 33003313213 is 31231330033.

It can be written as a sum of positive squares in 6 ways, for example, as 6351771204 + 26651542009 = 79698^2 + 163253^2 .

It is not a de Polignac number, because 33003313213 - 2¹⁷ = 33003182141 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 (33003313283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1325238 + ... + 1349911.

It is an arithmetic number, because the mean of its divisors is an integer number (3018906775).

Almost surely, 2^33003313213 is an apocalyptic number.

It is an amenable number.

33003313213 is a deficient number, since it is larger than the sum of its proper divisors (3223568087).

33003313213 is a wasteful number, since it uses less digits than its factorization.

33003313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675248 (or 2675235 counting only the distinct ones).

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

Adding to 33003313213 its reverse (31231330033), we get a palindrome (64234643246).

The spelling of 33003313213 in words is "thirty-three billion, three million, three hundred thirteen thousand, two hundred thirteen".