231201144242 has 8 divisors (see below), whose sum is σ = 348027164976. Its totient is φ = 115192089252.

The previous prime is 231201144217. The next prime is 231201144281. The reversal of 231201144242 is 242441102132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204240728 + ... + 204241859.

It is an arithmetic number, because the mean of its divisors is an integer number (43503395622).

Almost surely, 2^231201144242 is an apocalyptic number.

231201144242 is a deficient number, since it is larger than the sum of its proper divisors (116826020734).

231201144242 is a wasteful number, since it uses less digits than its factorization.

231201144242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408482872.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 231201144242 its reverse (242441102132), we get a palindrome (473642246374).

The spelling of 231201144242 in words is "two hundred thirty-one billion, two hundred one million, one hundred forty-four thousand, two hundred forty-two".