33131102011 has 12 divisors (see below), whose sum is σ = 38572962480. Its totient is φ = 28373992080.

The previous prime is 33131102003. The next prime is 33131102021. The reversal of 33131102011 is 11020113133.

It is not a de Polignac number, because 33131102011 - 2³ = 33131102003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33131102021) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 228391 + ... + 344128.

It is an arithmetic number, because the mean of its divisors is an integer number (3214413540).

Almost surely, 2^33131102011 is an apocalyptic number.

33131102011 is a deficient number, since it is larger than the sum of its proper divisors (5441860469).

33131102011 is a wasteful number, since it uses less digits than its factorization.

33131102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573714 (or 573707 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 33131102011 its reverse (11020113133), we get a palindrome (44151215144).

The spelling of 33131102011 in words is "thirty-three billion, one hundred thirty-one million, one hundred two thousand, eleven".