243321130034 has 4 divisors (see below), whose sum is σ = 364981695054. Its totient is φ = 121660565016.

The previous prime is 243321130007. The next prime is 243321130043. The reversal of 243321130034 is 430031123342.

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., 196251658009 + 47069472025 = 443003^2 + 216955^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243321129985 and 243321130012.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 60830282507 + ... + 60830282510.

Almost surely, 2^243321130034 is an apocalyptic number.

243321130034 is a deficient number, since it is larger than the sum of its proper divisors (121660565020).

243321130034 is a wasteful number, since it uses less digits than its factorization.

243321130034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121660565019.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 243321130034 its reverse (430031123342), we get a palindrome (673352253376).

The spelling of 243321130034 in words is "two hundred forty-three billion, three hundred twenty-one million, one hundred thirty thousand, thirty-four".