243115354402 has 16 divisors (see below), whose sum is σ = 367340688000. Its totient is φ = 120671242560.

The previous prime is 243115354351. The next prime is 243115354429. The reversal of 243115354402 is 204453511342.

243115354402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520999 + ... + 870442.

It is an arithmetic number, because the mean of its divisors is an integer number (22958793000).

Almost surely, 2^243115354402 is an apocalyptic number.

243115354402 is a deficient number, since it is larger than the sum of its proper divisors (124225333598).

243115354402 is a wasteful number, since it uses less digits than its factorization.

243115354402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392081.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 243115354402 its reverse (204453511342), we get a palindrome (447568865744).

The spelling of 243115354402 in words is "two hundred forty-three billion, one hundred fifteen million, three hundred fifty-four thousand, four hundred two".