243132030 has 40 divisors (see below), whose sum is σ = 653757192. Its totient is φ = 64834992.

The previous prime is 243132013. The next prime is 243132047. The reversal of 243132030 is 30231342.

It is an interprime number because it is at equal distance from previous prime (243132013) and next prime (243132047).

It is a super-2 number, since 2×243132030² = 118226368023841800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 243131994 and 243132012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 149272 + ... + 150891.

Almost surely, 2^243132030 is an apocalyptic number.

243132030 is an abundant number, since it is smaller than the sum of its proper divisors (410625162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243132030 is a wasteful number, since it uses less digits than its factorization.

243132030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300182 (or 300173 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 243132030 is about 15592.6915572649. The cubic root of 243132030 is about 624.1381443407.

Adding to 243132030 its reverse (30231342), we get a palindrome (273363372).

The spelling of 243132030 in words is "two hundred forty-three million, one hundred thirty-two thousand, thirty".