231442102321 has 16 divisors (see below), whose sum is σ = 253536791040. Its totient is φ = 210291477760.

The previous prime is 231442102319. The next prime is 231442102351. The reversal of 231442102321 is 123201244132.

It is a cyclic number.

It is not a de Polignac number, because 231442102321 - 2¹ = 231442102319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231442102351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5040750 + ... + 5086456.

It is an arithmetic number, because the mean of its divisors is an integer number (15846049440).

Almost surely, 2^231442102321 is an apocalyptic number.

It is an amenable number.

231442102321 is a deficient number, since it is larger than the sum of its proper divisors (22094688719).

231442102321 is a wasteful number, since it uses less digits than its factorization.

231442102321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56024.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 231442102321 its reverse (123201244132), we get a palindrome (354643346453).

The spelling of 231442102321 in words is "two hundred thirty-one billion, four hundred forty-two million, one hundred two thousand, three hundred twenty-one".