204312312051 has 8 divisors (see below), whose sum is σ = 272448337920. Its totient is φ = 136192247112.

The previous prime is 204312312047. The next prime is 204312312067. The reversal of 204312312051 is 150213213402.

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

It is not a de Polignac number, because 204312312051 - 2² = 204312312047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204312312041) 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, 3960331 + ... + 4011588.

It is an arithmetic number, because the mean of its divisors is an integer number (34056042240).

Almost surely, 2^204312312051 is an apocalyptic number.

204312312051 is a deficient number, since it is larger than the sum of its proper divisors (68136025869).

204312312051 is an equidigital number, since it uses as much as digits as its factorization.

204312312051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7980465.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 204312312051 its reverse (150213213402), we get a palindrome (354525525453).

The spelling of 204312312051 in words is "two hundred four billion, three hundred twelve million, three hundred twelve thousand, fifty-one".