243314051340 has 48 divisors (see below), whose sum is σ = 692447868000. Its totient is φ = 63820078080.

The previous prime is 243314051269. The next prime is 243314051353. The reversal of 243314051340 is 43150413342.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 243314051298 and 243314051307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33235965 + ... + 33243284.

It is an arithmetic number, because the mean of its divisors is an integer number (14425997250).

Almost surely, 2^243314051340 is an apocalyptic number.

243314051340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243314051340 is an abundant number, since it is smaller than the sum of its proper divisors (449133816660).

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

243314051340 is a wasteful number, since it uses less digits than its factorization.

243314051340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66479322 (or 66479320 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 243314051340 its reverse (43150413342), we get a palindrome (286464464682).

The spelling of 243314051340 in words is "two hundred forty-three billion, three hundred fourteen million, fifty-one thousand, three hundred forty".