204231213111034 has 4 divisors (see below), whose sum is σ = 306346819666554. Its totient is φ = 102115606555516.

The previous prime is 204231213111031. The next prime is 204231213111041. The reversal of 204231213111034 is 430111312132402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 171683446456809 + 32547766654225 = 13102803^2 + 5705065^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204231213110993 and 204231213111011.

It is not an unprimeable number, because it can be changed into a prime (204231213111031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51057803277757 + ... + 51057803277760.

Almost surely, 2^{204231213111034} is an apocalyptic number.

204231213111034 is a deficient number, since it is larger than the sum of its proper divisors (102115606555520).

204231213111034 is a wasteful number, since it uses less digits than its factorization.

204231213111034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102115606555519.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 204231213111034 its reverse (430111312132402), we get a palindrome (634342525243436).

The spelling of 204231213111034 in words is "two hundred four trillion, two hundred thirty-one billion, two hundred thirteen million, one hundred eleven thousand, thirty-four".