323231310133 has 4 divisors (see below), whose sum is σ = 323233603308. Its totient is φ = 323229016960.

The previous prime is 323231310091. The next prime is 323231310137. The reversal of 323231310133 is 331013132323.

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

It can be written as a sum of positive squares in 2 ways, for example, as 107585312004 + 215645998129 = 328002^2 + 464377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323231310133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323231310098 and 323231310107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323231310137) 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, 920266 + ... + 1222027.

It is an arithmetic number, because the mean of its divisors is an integer number (80808400827).

Almost surely, 2^323231310133 is an apocalyptic number.

It is an amenable number.

323231310133 is a deficient number, since it is larger than the sum of its proper divisors (2293175).

323231310133 is a wasteful number, since it uses less digits than its factorization.

323231310133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293174.

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

Adding to 323231310133 its reverse (331013132323), we get a palindrome (654244442456).

The spelling of 323231310133 in words is "three hundred twenty-three billion, two hundred thirty-one million, three hundred ten thousand, one hundred thirty-three".