231224041242 has 72 divisors (see below), whose sum is σ = 520008016320. Its totient is φ = 74242209600.

The previous prime is 231224041241. The next prime is 231224041259. The reversal of 231224041242 is 242140422132.

It is a happy number.

231224041242 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 240 + 412 + 4 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (231224041241) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2342017 + ... + 2438747.

It is an arithmetic number, because the mean of its divisors is an integer number (7222333560).

Almost surely, 2^231224041242 is an apocalyptic number.

231224041242 is an abundant number, since it is smaller than the sum of its proper divisors (288783975078).

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

231224041242 is a wasteful number, since it uses less digits than its factorization.

231224041242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96900 (or 96856 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 231224041242 its reverse (242140422132), we get a palindrome (473364463374).

The spelling of 231224041242 in words is "two hundred thirty-one billion, two hundred twenty-four million, forty-one thousand, two hundred forty-two".