33131002142 has 16 divisors (see below), whose sum is σ = 59265395712. Its totient is φ = 13581652920.

The previous prime is 33131002141. The next prime is 33131002169. The reversal of 33131002142 is 24120013133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33131002141) 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, 51445334 + ... + 51445977.

It is an arithmetic number, because the mean of its divisors is an integer number (3704087232).

Almost surely, 2^33131002142 is an apocalyptic number.

33131002142 is a deficient number, since it is larger than the sum of its proper divisors (26134393570).

33131002142 is a wasteful number, since it uses less digits than its factorization.

33131002142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102891343.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 33131002142 its reverse (24120013133), we get a palindrome (57251015275).

The spelling of 33131002142 in words is "thirty-three billion, one hundred thirty-one million, two thousand, one hundred forty-two".