243131414232 has 128 divisors (see below), whose sum is σ = 735683351040. Its totient is φ = 65365678080.

The previous prime is 243131414177. The next prime is 243131414233. The reversal of 243131414232 is 232414131342.

It is a super-2 number, since 2×243131414232² (a number of 24 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 243131414232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243131414233) 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, 24776607 + ... + 24786417.

It is an arithmetic number, because the mean of its divisors is an integer number (5747526180).

Almost surely, 2^243131414232 is an apocalyptic number.

It is an amenable number.

243131414232 is an abundant number, since it is smaller than the sum of its proper divisors (492551936808).

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

243131414232 is a wasteful number, since it uses less digits than its factorization.

243131414232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18521 (or 18517 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

Adding to 243131414232 its reverse (232414131342), we get a palindrome (475545545574).

The spelling of 243131414232 in words is "two hundred forty-three billion, one hundred thirty-one million, four hundred fourteen thousand, two hundred thirty-two".