243131443032 has 32 divisors (see below), whose sum is σ = 609484838400. Its totient is φ = 80822983584.

The previous prime is 243131443031. The next prime is 243131443067. The reversal of 243131443032 is 230344131342.

It is a happy number.

It is a super-2 number, since 2×243131443032² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243131443031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13792932 + ... + 13810547.

It is an arithmetic number, because the mean of its divisors is an integer number (19046401200).

Almost surely, 2^243131443032 is an apocalyptic number.

It is an amenable number.

243131443032 is an abundant number, since it is smaller than the sum of its proper divisors (366353395368).

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

243131443032 is a wasteful number, since it uses less digits than its factorization.

243131443032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27603855 (or 27603851 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 243131443032 its reverse (230344131342), we get a palindrome (473475574374).

The spelling of 243131443032 in words is "two hundred forty-three billion, one hundred thirty-one million, four hundred forty-three thousand, thirty-two".