204551332311 has 8 divisors (see below), whose sum is σ = 273926093680. Its totient is φ = 135772062912.

The previous prime is 204551332303. The next prime is 204551332313. The reversal of 204551332311 is 113233155402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204551332311 - 2³ = 204551332303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204551332313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148872190 + ... + 148873563.

It is an arithmetic number, because the mean of its divisors is an integer number (34240761710).

Almost surely, 2^204551332311 is an apocalyptic number.

204551332311 is a deficient number, since it is larger than the sum of its proper divisors (69374761369).

204551332311 is a wasteful number, since it uses less digits than its factorization.

204551332311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297745985.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 204551332311 its reverse (113233155402), we get a palindrome (317784487713).

The spelling of 204551332311 in words is "two hundred four billion, five hundred fifty-one million, three hundred thirty-two thousand, three hundred eleven".