243030034 has 32 divisors (see below), whose sum is σ = 408910320. Its totient is φ = 107557632.

The previous prime is 243030031. The next prime is 243030037. The reversal of 243030034 is 430030342.

It is an interprime number because it is at equal distance from previous prime (243030031) and next prime (243030037).

It can be written as a sum of positive squares in 8 ways, for example, as 56625625 + 186404409 = 7525^2 + 13653^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243029993 and 243030020.

It is not an unprimeable number, because it can be changed into a prime (243030031) 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 15 ways as a sum of consecutive naturals, for example, 117352 + ... + 119404.

Almost surely, 2^243030034 is an apocalyptic number.

243030034 is a deficient number, since it is larger than the sum of its proper divisors (165880286).

243030034 is a wasteful number, since it uses less digits than its factorization.

243030034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 243030034 is about 15589.4205793544. The cubic root of 243030034 is about 624.0508550077.

Adding to 243030034 its reverse (430030342), we get a palindrome (673060376).

The spelling of 243030034 in words is "two hundred forty-three million, thirty thousand, thirty-four".