243130088 has 8 divisors (see below), whose sum is σ = 455868930. Its totient is φ = 121565040.

The previous prime is 243130051. The next prime is 243130093. The reversal of 243130088 is 880031342.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 228674884 + 14455204 = 15122^2 + 3802^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×243130088² = 118224479381775488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243130088.

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 as a sum of consecutive naturals, namely, 15195623 + ... + 15195638.

Almost surely, 2^243130088 is an apocalyptic number.

It is an amenable number.

243130088 is a deficient number, since it is larger than the sum of its proper divisors (212738842).

243130088 is a wasteful number, since it uses less digits than its factorization.

243130088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30391267 (or 30391263 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 243130088 is about 15592.6292843766. The cubic root of 243130088 is about 624.1364825831.

The spelling of 243130088 in words is "two hundred forty-three million, one hundred thirty thousand, eighty-eight".