243130210 has 32 divisors (see below), whose sum is σ = 453906432. Its totient is φ = 93666240.

The previous prime is 243130207. The next prime is 243130247. The reversal of 243130210 is 12031342.

It is a happy number.

It is a super-2 number, since 2×243130210² = 118224598029288200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67372 + ... + 70888.

It is an arithmetic number, because the mean of its divisors is an integer number (14184576).

Almost surely, 2^243130210 is an apocalyptic number.

243130210 is a deficient number, since it is larger than the sum of its proper divisors (210776222).

243130210 is a wasteful number, since it uses less digits than its factorization.

243130210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3778.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 243130210 is about 15592.6331964810. The cubic root of 243130210 is about 624.1365869780.

Adding to 243130210 its reverse (12031342), we get a palindrome (255161552).

The spelling of 243130210 in words is "two hundred forty-three million, one hundred thirty thousand, two hundred ten".