243120036631434 has 16 divisors (see below), whose sum is σ = 487091632067040. Its totient is φ = 80898085743120.

The previous prime is 243120036631429. The next prime is 243120036631441. The reversal of 243120036631434 is 434136630021342.

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, 35481613129 + ... + 35481619980.

It is an arithmetic number, because the mean of its divisors is an integer number (30443227004190).

Almost surely, 2^{243120036631434} is an apocalyptic number.

243120036631434 is an abundant number, since it is smaller than the sum of its proper divisors (243971595435606).

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

243120036631434 is a wasteful number, since it uses less digits than its factorization.

243120036631434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70963233685.

The product of its (nonzero) digits is 746496, while the sum is 42.

Adding to 243120036631434 its reverse (434136630021342), we get a palindrome (677256666652776).

The spelling of 243120036631434 in words is "two hundred forty-three trillion, one hundred twenty billion, thirty-six million, six hundred thirty-one thousand, four hundred thirty-four".