33131200113 has 24 divisors (see below), whose sum is σ = 52233168000. Its totient is φ = 20069350560.

The previous prime is 33131200033. The next prime is 33131200127. The reversal of 33131200113 is 31100213133.

It is a happy number.

It is not a de Polignac number, because 33131200113 - 2⁹ = 33131199601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33131200153) 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 23 ways as a sum of consecutive naturals, for example, 114195 + ... + 281607.

It is an arithmetic number, because the mean of its divisors is an integer number (2176382000).

Almost surely, 2^33131200113 is an apocalyptic number.

33131200113 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

33131200113 is a deficient number, since it is larger than the sum of its proper divisors (19101967887).

33131200113 is a wasteful number, since it uses less digits than its factorization.

33131200113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169429 (or 169426 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 33131200113 its reverse (31100213133), we get a palindrome (64231413246).

The spelling of 33131200113 in words is "thirty-three billion, one hundred thirty-one million, two hundred thousand, one hundred thirteen".