231323312121110 has 32 divisors (see below), whose sum is σ = 455220192629664. Its totient is φ = 83935100416000.

The previous prime is 231323312121107. The next prime is 231323312121131. The reversal of 231323312121110 is 11121213323132.

231323312121110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231323312121110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2280794411 + ... + 2280895830.

It is an arithmetic number, because the mean of its divisors is an integer number (14225631019677).

Almost surely, 2^{231323312121110} is an apocalyptic number.

231323312121110 is a deficient number, since it is larger than the sum of its proper divisors (223896880508554).

231323312121110 is a wasteful number, since it uses less digits than its factorization.

231323312121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4561690720.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 231323312121110 its reverse (11121213323132), we get a palindrome (242444525444242).

The spelling of 231323312121110 in words is "two hundred thirty-one trillion, three hundred twenty-three billion, three hundred twelve million, one hundred twenty-one thousand, one hundred ten".