243331012 has 6 divisors (see below), whose sum is σ = 425829278. Its totient is φ = 121665504.

The previous prime is 243330991. The next prime is 243331087. The reversal of 243331012 is 210133342.

243331012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 172501956 + 70829056 = 13134^2 + 8416^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30416373 + ... + 30416380.

Almost surely, 2^243331012 is an apocalyptic number.

It is an amenable number.

243331012 is a deficient number, since it is larger than the sum of its proper divisors (182498266).

243331012 is a wasteful number, since it uses less digits than its factorization.

243331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60832757 (or 60832755 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 243331012 is about 15599.0708697666. The cubic root of 243331012 is about 624.3083651483.

Adding to 243331012 its reverse (210133342), we get a palindrome (453464354).

The spelling of 243331012 in words is "two hundred forty-three million, three hundred thirty-one thousand, twelve".