231321110102 has 8 divisors (see below), whose sum is σ = 346996517736. Its totient is φ = 115655604192.

The previous prime is 231321110099. The next prime is 231321110107. The reversal of 231321110102 is 201011123132.

231321110102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231321110107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2416748 + ... + 2510639.

It is an arithmetic number, because the mean of its divisors is an integer number (43374564717).

Almost surely, 2^231321110102 is an apocalyptic number.

231321110102 is a deficient number, since it is larger than the sum of its proper divisors (115675407634).

231321110102 is a wasteful number, since it uses less digits than its factorization.

231321110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4950862.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 231321110102 its reverse (201011123132), we get a palindrome (432332233234).

The spelling of 231321110102 in words is "two hundred thirty-one billion, three hundred twenty-one million, one hundred ten thousand, one hundred two".