231323331211321 has 8 divisors (see below), whose sum is σ = 231930196945920. Its totient is φ = 230716480521072.

The previous prime is 231323331211319. The next prime is 231323331211327. The reversal of 231323331211321 is 123112133323132.

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

It is a cyclic number.

It is not a de Polignac number, because 231323331211321 - 2¹ = 231323331211319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231323331211327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27368950 + ... + 34809568.

It is an arithmetic number, because the mean of its divisors is an integer number (28991274618240).

Almost surely, 2^{231323331211321} is an apocalyptic number.

It is an amenable number.

231323331211321 is a deficient number, since it is larger than the sum of its proper divisors (606865734599).

231323331211321 is an equidigital number, since it uses as much as digits as its factorization.

231323331211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7522175.

The product of its digits is 11664, while the sum is 31.

Adding to 231323331211321 its reverse (123112133323132), we get a palindrome (354435464534453).

The spelling of 231323331211321 in words is "two hundred thirty-one trillion, three hundred twenty-three billion, three hundred thirty-one million, two hundred eleven thousand, three hundred twenty-one".