243131412032 has 28 divisors (see below), whose sum is σ = 482513853360. Its totient is φ = 121553118336.

The previous prime is 243131412031. The next prime is 243131412089. The reversal of 243131412032 is 230214131342.

It is a super-2 number, since 2×243131412032² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243131411992 and 243131412010.

It is not an unprimeable number, because it can be changed into a prime (243131412031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442319 + ... + 825777.

It is an arithmetic number, because the mean of its divisors is an integer number (17232637620).

Almost surely, 2^243131412032 is an apocalyptic number.

It is an amenable number.

243131412032 is a deficient number, since it is larger than the sum of its proper divisors (239382441328).

243131412032 is an equidigital number, since it uses as much as digits as its factorization.

243131412032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393378 (or 393368 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 243131412032 its reverse (230214131342), we get a palindrome (473345543374).

The spelling of 243131412032 in words is "two hundred forty-three billion, one hundred thirty-one million, four hundred twelve thousand, thirty-two".