204331323133 has 24 divisors (see below), whose sum is σ = 247059393408. Its totient is φ = 165230727552.

The previous prime is 204331323103. The next prime is 204331323139. The reversal of 204331323133 is 331323133402.

It is not a de Polignac number, because 204331323133 - 2⁵ = 204331323101 is a prime.

It is a super-2 number, since 2×204331323133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204331323139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 738891 + ... + 977047.

It is an arithmetic number, because the mean of its divisors is an integer number (10294141392).

Almost surely, 2^204331323133 is an apocalyptic number.

204331323133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

204331323133 is a deficient number, since it is larger than the sum of its proper divisors (42728070275).

204331323133 is an equidigital number, since it uses as much as digits as its factorization.

204331323133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238333 (or 238260 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 204331323133 its reverse (331323133402), we get a palindrome (535654456535).

The spelling of 204331323133 in words is "two hundred four billion, three hundred thirty-one million, three hundred twenty-three thousand, one hundred thirty-three".