243031948 has 24 divisors (see below), whose sum is σ = 444528000. Its totient is φ = 116110848.

The previous prime is 243031913. The next prime is 243031979. The reversal of 243031948 is 849130342.

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 in 7 ways as a sum of consecutive naturals, for example, 453 + ... + 22051.

It is an arithmetic number, because the mean of its divisors is an integer number (18522000).

Almost surely, 2^243031948 is an apocalyptic number.

It is an amenable number.

243031948 is a deficient number, since it is larger than the sum of its proper divisors (201496052).

243031948 is a wasteful number, since it uses less digits than its factorization.

243031948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21729 (or 21727 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 243031948 is about 15589.4819670187. The cubic root of 243031948 is about 624.0524932554.

The spelling of 243031948 in words is "two hundred forty-three million, thirty-one thousand, nine hundred forty-eight".