231310332133 has 8 divisors (see below), whose sum is σ = 243760950720. Its totient is φ = 218887352640.

The previous prime is 231310332109. The next prime is 231310332167. The reversal of 231310332133 is 331233013132.

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 231310332133 - 2⁹ = 231310331621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231310332098 and 231310332107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231310330133) 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, 6892585 + ... + 6926062.

It is an arithmetic number, because the mean of its divisors is an integer number (30470118840).

Almost surely, 2^231310332133 is an apocalyptic number.

It is an amenable number.

231310332133 is a deficient number, since it is larger than the sum of its proper divisors (12450618587).

231310332133 is a wasteful number, since it uses less digits than its factorization.

231310332133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13819547.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 231310332133 its reverse (331233013132), we get a palindrome (562543345265).

The spelling of 231310332133 in words is "two hundred thirty-one billion, three hundred ten million, three hundred thirty-two thousand, one hundred thirty-three".