204312130344 has 48 divisors (see below), whose sum is σ = 632394690720. Its totient is φ = 58374894240.

The previous prime is 204312130307. The next prime is 204312130391. The reversal of 204312130344 is 443031213402.

204312130344 is a `hidden beast` number, since 2 + 0 + 4 + 312 + 1 + 3 + 0 + 344 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202690102 + ... + 202691109.

It is an arithmetic number, because the mean of its divisors is an integer number (13174889390).

Almost surely, 2^204312130344 is an apocalyptic number.

204312130344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204312130344 is an abundant number, since it is smaller than the sum of its proper divisors (428082560376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204312130344 is a wasteful number, since it uses less digits than its factorization.

204312130344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405381230 (or 405381223 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 204312130344 its reverse (443031213402), we get a palindrome (647343343746).

The spelling of 204312130344 in words is "two hundred four billion, three hundred twelve million, one hundred thirty thousand, three hundred forty-four".