204402131033 has 4 divisors (see below), whose sum is σ = 209155669008. Its totient is φ = 199648593060.

The previous prime is 204402131023. The next prime is 204402131051. The reversal of 204402131033 is 330131204402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 330131204402 = 2 ⋅165065602201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204402131033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204402131023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2376768923 + ... + 2376769008.

It is an arithmetic number, because the mean of its divisors is an integer number (52288917252).

Almost surely, 2^204402131033 is an apocalyptic number.

It is an amenable number.

204402131033 is a deficient number, since it is larger than the sum of its proper divisors (4753537975).

204402131033 is an equidigital number, since it uses as much as digits as its factorization.

204402131033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753537974.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 204402131033 its reverse (330131204402), we get a palindrome (534533335435).

The spelling of 204402131033 in words is "two hundred four billion, four hundred two million, one hundred thirty-one thousand, thirty-three".