205311315224 has 16 divisors (see below), whose sum is σ = 405219701400. Its totient is φ = 97252728192.

The previous prime is 205311315221. The next prime is 205311315257. The reversal of 205311315224 is 422513113502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205311315221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675366017 + ... + 675366320.

Almost surely, 2^205311315224 is an apocalyptic number.

It is an amenable number.

205311315224 is a deficient number, since it is larger than the sum of its proper divisors (199908386176).

205311315224 is a wasteful number, since it uses less digits than its factorization.

205311315224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350732362 (or 1350732358 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 205311315224 its reverse (422513113502), we get a palindrome (627824428726).

The spelling of 205311315224 in words is "two hundred five billion, three hundred eleven million, three hundred fifteen thousand, two hundred twenty-four".