243130135245304 has 32 divisors (see below), whose sum is σ = 475695222912000. Its totient is φ = 116278205310432.

The previous prime is 243130135245289. The next prime is 243130135245311. The reversal of 243130135245304 is 403542531031342.

It is a super-2 number, since 2×243130135245304² (a number of 30 digits) 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 7 ways as a sum of consecutive naturals, for example, 7041937 + ... + 23148415.

It is an arithmetic number, because the mean of its divisors is an integer number (14865475716000).

Almost surely, 2^{243130135245304} is an apocalyptic number.

It is an amenable number.

243130135245304 is a deficient number, since it is larger than the sum of its proper divisors (232565087666696).

243130135245304 is a wasteful number, since it uses less digits than its factorization.

243130135245304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16188547 (or 16188543 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 243130135245304 its reverse (403542531031342), we get a palindrome (646672666276646).

The spelling of 243130135245304 in words is "two hundred forty-three trillion, one hundred thirty billion, one hundred thirty-five million, two hundred forty-five thousand, three hundred four".