204040313033 has 4 divisors (see below), whose sum is σ = 204043811268. Its totient is φ = 204036814800.

The previous prime is 204040312981. The next prime is 204040313051. The reversal of 204040313033 is 330313040402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 127503983929 + 76536329104 = 357077^2 + 276652^2 .

It is a cyclic number.

It is not a de Polignac number, because 204040313033 - 2¹² = 204040308937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204040313833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1660118 + ... + 1778783.

It is an arithmetic number, because the mean of its divisors is an integer number (51010952817).

Almost surely, 2^204040313033 is an apocalyptic number.

It is an amenable number.

204040313033 is a deficient number, since it is larger than the sum of its proper divisors (3498235).

204040313033 is an equidigital number, since it uses as much as digits as its factorization.

204040313033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498234.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 204040313033 its reverse (330313040402), we get a palindrome (534353353435).

The spelling of 204040313033 in words is "two hundred four billion, forty million, three hundred thirteen thousand, thirty-three".