243120414331 has 32 divisors (see below), whose sum is σ = 276305541120. Its totient is φ = 212670391296.

The previous prime is 243120414311. The next prime is 243120414349. The reversal of 243120414331 is 133414021342.

It is a happy number.

It is not a de Polignac number, because 243120414331 - 2³¹ = 240972930683 is a prime.

It is a super-2 number, since 2×243120414331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243120414331.

It is not an unprimeable number, because it can be changed into a prime (243120414311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2506815 + ... + 2601991.

It is an arithmetic number, because the mean of its divisors is an integer number (8634548160).

Almost surely, 2^243120414331 is an apocalyptic number.

243120414331 is a deficient number, since it is larger than the sum of its proper divisors (33185126789).

243120414331 is a wasteful number, since it uses less digits than its factorization.

243120414331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95403.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 243120414331 its reverse (133414021342), we get a palindrome (376534435673).

The spelling of 243120414331 in words is "two hundred forty-three billion, one hundred twenty million, four hundred fourteen thousand, three hundred thirty-one".