243831034 has 24 divisors (see below), whose sum is σ = 392622300. Its totient is φ = 113534976.

The previous prime is 243831031. The next prime is 243831041. The reversal of 243831034 is 430138342.

It can be written as a sum of positive squares in 6 ways, for example, as 110313009 + 133518025 = 10503^2 + 11555^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243830993 and 243831011.

It is not an unprimeable number, because it can be changed into a prime (243831031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53892 + ... + 58240.

Almost surely, 2^243831034 is an apocalyptic number.

243831034 is a deficient number, since it is larger than the sum of its proper divisors (148791266).

243831034 is a wasteful number, since it uses less digits than its factorization.

243831034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4482 (or 4465 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 243831034 is about 15615.0899453061. The cubic root of 243831034 is about 624.7357039319.

Adding to 243831034 its reverse (430138342), we get a palindrome (673969376).

The spelling of 243831034 in words is "two hundred forty-three million, eight hundred thirty-one thousand, thirty-four".