231230233333311 has 4 divisors (see below), whose sum is σ = 308306977777752. Its totient is φ = 154153488888872.

The previous prime is 231230233333291. The next prime is 231230233333343. The reversal of 231230233333311 is 113333332032132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231230233333311 - 2⁶ = 231230233333247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231230233333361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38538372222216 + ... + 38538372222221.

It is an arithmetic number, because the mean of its divisors is an integer number (77076744444438).

Almost surely, 2^{231230233333311} is an apocalyptic number.

231230233333311 is a deficient number, since it is larger than the sum of its proper divisors (77076744444441).

231230233333311 is an equidigital number, since it uses as much as digits as its factorization.

231230233333311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77076744444440.

The product of its (nonzero) digits is 52488, while the sum is 33.

Adding to 231230233333311 its reverse (113333332032132), we get a palindrome (344563565365443).

The spelling of 231230233333311 in words is "two hundred thirty-one trillion, two hundred thirty billion, two hundred thirty-three million, three hundred thirty-three thousand, three hundred eleven".