323203111331 has 4 divisors (see below), whose sum is σ = 326168277600. Its totient is φ = 320237945064.

The previous prime is 323203111279. The next prime is 323203111339. The reversal of 323203111331 is 133111302323.

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 323203111331 - 2⁶ = 323203111267 is a prime.

It is a super-2 number, since 2×323203111331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323203111297 and 323203111306.

It is not an unprimeable number, because it can be changed into a prime (323203111339) 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, 1482582971 + ... + 1482583188.

It is an arithmetic number, because the mean of its divisors is an integer number (81542069400).

Almost surely, 2^323203111331 is an apocalyptic number.

323203111331 is a deficient number, since it is larger than the sum of its proper divisors (2965166269).

323203111331 is a wasteful number, since it uses less digits than its factorization.

323203111331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965166268.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 323203111331 its reverse (133111302323), we get a palindrome (456314413654).

The spelling of 323203111331 in words is "three hundred twenty-three billion, two hundred three million, one hundred eleven thousand, three hundred thirty-one".