243130270 has 64 divisors (see below), whose sum is σ = 475891200. Its totient is φ = 89147520.

The previous prime is 243130267. The next prime is 243130297. The reversal of 243130270 is 72031342.

It is a super-2 number, since 2×243130270² = 118224656380545800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 903696 + ... + 903964.

It is an arithmetic number, because the mean of its divisors is an integer number (7435800).

Almost surely, 2^243130270 is an apocalyptic number.

243130270 is a deficient number, since it is larger than the sum of its proper divisors (232760930).

243130270 is a wasteful number, since it uses less digits than its factorization.

243130270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 243130270 is about 15592.6351204663. The cubic root of 243130270 is about 624.1366383197.

The spelling of 243130270 in words is "two hundred forty-three million, one hundred thirty thousand, two hundred seventy".