33131311132 has 24 divisors (see below), whose sum is σ = 60307011072. Its totient is φ = 15908895600.

The previous prime is 33131311099. The next prime is 33131311133. The reversal of 33131311132 is 23111313133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33131311133) by changing a digit.

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, 1003558 + ... + 1036045.

It is an arithmetic number, because the mean of its divisors is an integer number (2512792128).

Almost surely, 2^33131311132 is an apocalyptic number.

It is an amenable number.

33131311132 is a deficient number, since it is larger than the sum of its proper divisors (27175699940).

33131311132 is a wasteful number, since it uses less digits than its factorization.

33131311132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039769 (or 2039767 counting only the distinct ones).

The product of its digits is 486, while the sum is 22.

Adding to 33131311132 its reverse (23111313133), we get a palindrome (56242624265).

The spelling of 33131311132 in words is "thirty-three billion, one hundred thirty-one million, three hundred eleven thousand, one hundred thirty-two".