243003201313240 has 16 divisors (see below), whose sum is σ = 546757202954880. Its totient is φ = 97201280525280.

The previous prime is 243003201313157. The next prime is 243003201313247. The reversal of 243003201313240 is 42313102300342.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 243003201313199 and 243003201313208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243003201313247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3037540016376 + ... + 3037540016455.

It is an arithmetic number, because the mean of its divisors is an integer number (34172325184680).

Almost surely, 2^{243003201313240} is an apocalyptic number.

243003201313240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243003201313240 is an abundant number, since it is smaller than the sum of its proper divisors (303754001641640).

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

243003201313240 is a wasteful number, since it uses less digits than its factorization.

243003201313240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6075080032842 (or 6075080032838 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 243003201313240 its reverse (42313102300342), we get a palindrome (285316303613582).

The spelling of 243003201313240 in words is "two hundred forty-three trillion, three billion, two hundred one million, three hundred thirteen thousand, two hundred forty".