33100131021 has 32 divisors (see below), whose sum is σ = 46836787200. Its totient is φ = 20734444800.

The previous prime is 33100131017. The next prime is 33100131023. The reversal of 33100131021 is 12013100133.

It is not a de Polignac number, because 33100131021 - 2² = 33100131017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33100131023) 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 31 ways as a sum of consecutive naturals, for example, 14077996 + ... + 14080346.

It is an arithmetic number, because the mean of its divisors is an integer number (1463649600).

Almost surely, 2^33100131021 is an apocalyptic number.

It is an amenable number.

33100131021 is a deficient number, since it is larger than the sum of its proper divisors (13736656179).

33100131021 is a wasteful number, since it uses less digits than its factorization.

33100131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 33100131021 its reverse (12013100133), we get a palindrome (45113231154).

The spelling of 33100131021 in words is "thirty-three billion, one hundred million, one hundred thirty-one thousand, twenty-one".