243121431414 has 32 divisors (see below), whose sum is σ = 507412719360. Its totient is φ = 77512568672.

The previous prime is 243121431353. The next prime is 243121431433. The reversal of 243121431414 is 414134121342.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3099244 + ... + 3176720.

It is an arithmetic number, because the mean of its divisors is an integer number (15856647480).

Almost surely, 2^243121431414 is an apocalyptic number.

243121431414 is an abundant number, since it is smaller than the sum of its proper divisors (264291287946).

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

243121431414 is a wasteful number, since it uses less digits than its factorization.

243121431414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100244.

The product of its digits is 9216, while the sum is 30.

Adding to 243121431414 its reverse (414134121342), we get a palindrome (657255552756).

The spelling of 243121431414 in words is "two hundred forty-three billion, one hundred twenty-one million, four hundred thirty-one thousand, four hundred fourteen".