33531642213 has 8 divisors (see below), whose sum is σ = 44710423488. Its totient is φ = 22353644544.

The previous prime is 33531642161. The next prime is 33531642229. The reversal of 33531642213 is 31224613533.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33531642213 - 2²⁵ = 33498087781 is a prime.

It is a super-2 number, since 2×33531642213² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33531642013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87481 + ... + 273342.

It is an arithmetic number, because the mean of its divisors is an integer number (5588802936).

Almost surely, 2^33531642213 is an apocalyptic number.

It is an amenable number.

33531642213 is a deficient number, since it is larger than the sum of its proper divisors (11178781275).

33531642213 is a wasteful number, since it uses less digits than its factorization.

33531642213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391803.

The product of its digits is 38880, while the sum is 33.

The spelling of 33531642213 in words is "thirty-three billion, five hundred thirty-one million, six hundred forty-two thousand, two hundred thirteen".