243312043013312 has 84 divisors (see below), whose sum is σ = 597507945206256. Its totient is φ = 96255313689600.

The previous prime is 243312043013269. The next prime is 243312043013341. The reversal of 243312043013312 is 213310340213342.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1606750439 + ... + 1606901862.

It is an arithmetic number, because the mean of its divisors is an integer number (7113189823884).

Almost surely, 2^{243312043013312} is an apocalyptic number.

It is an amenable number.

243312043013312 is an abundant number, since it is smaller than the sum of its proper divisors (354195902192944).

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

243312043013312 is a wasteful number, since it uses less digits than its factorization.

243312043013312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213652346 (or 3213652323 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 243312043013312 its reverse (213310340213342), we get a palindrome (456622383226654).

The spelling of 243312043013312 in words is "two hundred forty-three trillion, three hundred twelve billion, forty-three million, thirteen thousand, three hundred twelve".