243313030 has 8 divisors (see below), whose sum is σ = 437963472. Its totient is φ = 97325208.

The previous prime is 243313019. The next prime is 243313039. The reversal of 243313030 is 30313342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 243312989 and 243313007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243313039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12165642 + ... + 12165661.

It is an arithmetic number, because the mean of its divisors is an integer number (54745434).

Almost surely, 2^243313030 is an apocalyptic number.

243313030 is a deficient number, since it is larger than the sum of its proper divisors (194650442).

243313030 is a wasteful number, since it uses less digits than its factorization.

243313030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24331310.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 243313030 is about 15598.4944786348. The cubic root of 243313030 is about 624.2929861118.

Adding to 243313030 its reverse (30313342), we get a palindrome (273626372).

The spelling of 243313030 in words is "two hundred forty-three million, three hundred thirteen thousand, thirty".