33040312213 has 8 divisors (see below), whose sum is σ = 34154804736. Its totient is φ = 31928862000.

The previous prime is 33040312163. The next prime is 33040312229. The reversal of 33040312213 is 31221304033.

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 33040312213 - 2²¹ = 33038215061 is a prime.

It is a super-2 number, since 2×33040312213² (a number of 22 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 (33040312013) 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, 738481 + ... + 781942.

It is an arithmetic number, because the mean of its divisors is an integer number (4269350592).

Almost surely, 2^33040312213 is an apocalyptic number.

It is an amenable number.

33040312213 is a deficient number, since it is larger than the sum of its proper divisors (1114492523).

33040312213 is a wasteful number, since it uses less digits than its factorization.

33040312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521155.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 33040312213 its reverse (31221304033), we get a palindrome (64261616246).

The spelling of 33040312213 in words is "thirty-three billion, forty million, three hundred twelve thousand, two hundred thirteen".