231323301133 has 8 divisors (see below), whose sum is σ = 231601694400. Its totient is φ = 231044972928.

The previous prime is 231323301127. The next prime is 231323301137. The reversal of 231323301133 is 331103323132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231323301133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231323301098 and 231323301107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231323301137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13910898 + ... + 13927516.

It is an arithmetic number, because the mean of its divisors is an integer number (28950211800).

Almost surely, 2^231323301133 is an apocalyptic number.

It is an amenable number.

231323301133 is a deficient number, since it is larger than the sum of its proper divisors (278393267).

231323301133 is a wasteful number, since it uses less digits than its factorization.

231323301133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32531.

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

Adding to 231323301133 its reverse (331103323132), we get a palindrome (562426624265).

The spelling of 231323301133 in words is "two hundred thirty-one billion, three hundred twenty-three million, three hundred one thousand, one hundred thirty-three".