231240241432 has 16 divisors (see below), whose sum is σ = 433583791200. Its totient is φ = 115617897120.

The previous prime is 231240241411. The next prime is 231240241433. The reversal of 231240241432 is 234142042132.

It is a self number, because there is not a number n which added to its sum of digits gives 231240241432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231240241433) 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, 215569 + ... + 713407.

It is an arithmetic number, because the mean of its divisors is an integer number (27098986950).

Almost surely, 2^231240241432 is an apocalyptic number.

It is an amenable number.

231240241432 is a deficient number, since it is larger than the sum of its proper divisors (202343549768).

231240241432 is a wasteful number, since it uses less digits than its factorization.

231240241432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555906 (or 555902 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 231240241432 its reverse (234142042132), we get a palindrome (465382283564).

The spelling of 231240241432 in words is "two hundred thirty-one billion, two hundred forty million, two hundred forty-one thousand, four hundred thirty-two".