243143130 has 32 divisors (see below), whose sum is σ = 593438400. Its totient is φ = 63738752.

The previous prime is 243143111. The next prime is 243143203. The reversal of 243143130 is 31341342.

It is a junction number, because it is equal to n+sod(n) for n = 243143097 and 243143106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66915 + ... + 70454.

It is an arithmetic number, because the mean of its divisors is an integer number (18544950).

Almost surely, 2^243143130 is an apocalyptic number.

243143130 is an abundant number, since it is smaller than the sum of its proper divisors (350295270).

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

243143130 is a wasteful number, since it uses less digits than its factorization.

243143130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137438.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 243143130 is about 15593.0474891857. The cubic root of 243143130 is about 624.1476423735.

Adding to 243143130 its reverse (31341342), we get a palindrome (274484472).

The spelling of 243143130 in words is "two hundred forty-three million, one hundred forty-three thousand, one hundred thirty".