204412313361 has 4 divisors (see below), whose sum is σ = 272549751152. Its totient is φ = 136274875572.

The previous prime is 204412313327. The next prime is 204412313363. The reversal of 204412313361 is 163313214402.

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.

It is not a de Polignac number, because 204412313361 - 2⁷ = 204412313233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204412313363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34068718891 + ... + 34068718896.

It is an arithmetic number, because the mean of its divisors is an integer number (68137437788).

Almost surely, 2^204412313361 is an apocalyptic number.

It is an amenable number.

204412313361 is a deficient number, since it is larger than the sum of its proper divisors (68137437791).

204412313361 is an equidigital number, since it uses as much as digits as its factorization.

204412313361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68137437790.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 204412313361 its reverse (163313214402), we get a palindrome (367725527763).

The spelling of 204412313361 in words is "two hundred four billion, four hundred twelve million, three hundred thirteen thousand, three hundred sixty-one".