33131433242 has 16 divisors (see below), whose sum is σ = 49908392352. Its totient is φ = 16495338000.

The previous prime is 33131433187. The next prime is 33131433253. The reversal of 33131433242 is 24233413133.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2746448 + ... + 2758484.

It is an arithmetic number, because the mean of its divisors is an integer number (3119274522).

Almost surely, 2^33131433242 is an apocalyptic number.

33131433242 is a deficient number, since it is larger than the sum of its proper divisors (16776959110).

33131433242 is a wasteful number, since it uses less digits than its factorization.

33131433242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17773.

The product of its digits is 15552, while the sum is 29.

Adding to 33131433242 its reverse (24233413133), we get a palindrome (57364846375).

The spelling of 33131433242 in words is "thirty-three billion, one hundred thirty-one million, four hundred thirty-three thousand, two hundred forty-two".