33000013242 has 36 divisors (see below), whose sum is σ = 83173504986. Its totient is φ = 9428574960.

The previous prime is 33000013187. The next prime is 33000013259. The reversal of 33000013242 is 24231000033.

It can be written as a sum of positive squares in only one way, i.e., 30241557801 + 2758455441 = 173901^2 + 52521^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18706609 + ... + 18708372.

Almost surely, 2^33000013242 is an apocalyptic number.

33000013242 is an abundant number, since it is smaller than the sum of its proper divisors (50173491744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33000013242 is a wasteful number, since it uses less digits than its factorization.

33000013242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37415003 (or 37414993 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 33000013242 its reverse (24231000033), we get a palindrome (57231013275).

The spelling of 33000013242 in words is "thirty-three billion, thirteen thousand, two hundred forty-two".