204031400243234 has 32 divisors (see below), whose sum is σ = 325566388800000. Its totient is φ = 95698430777664.

The previous prime is 204031400243221. The next prime is 204031400243239. The reversal of 204031400243234 is 432342004130402.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 204031400243234.

It is not an unprimeable number, because it can be changed into a prime (204031400243239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187865009 + ... + 188947940.

It is an arithmetic number, because the mean of its divisors is an integer number (10173949650000).

Almost surely, 2^{204031400243234} is an apocalyptic number.

204031400243234 is a deficient number, since it is larger than the sum of its proper divisors (121534988556766).

204031400243234 is a wasteful number, since it uses less digits than its factorization.

204031400243234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376813202.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 204031400243234 its reverse (432342004130402), we get a palindrome (636373404373636).

The spelling of 204031400243234 in words is "two hundred four trillion, thirty-one billion, four hundred million, two hundred forty-three thousand, two hundred thirty-four".