31323332323 has 4 divisors (see below), whose sum is σ = 31323803008. Its totient is φ = 31322861640.

The previous prime is 31323332281. The next prime is 31323332333. The reversal of 31323332323 is 32323332313.

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 31323332323 - 2²⁵ = 31289777891 is a prime.

It is a super-2 number, since 2×31323332323² (a number of 22 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 = 31323332291 and 31323332300.

It is not an unprimeable number, because it can be changed into a prime (31323332333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115011 + ... + 275452.

It is an arithmetic number, because the mean of its divisors is an integer number (7830950752).

Almost surely, 2^31323332323 is an apocalyptic number.

31323332323 is a deficient number, since it is larger than the sum of its proper divisors (470685).

31323332323 is an equidigital number, since it uses as much as digits as its factorization.

31323332323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470684.

The product of its digits is 17496, while the sum is 28.

Adding to 31323332323 its reverse (32323332313), we get a palindrome (63646664636).

The spelling of 31323332323 in words is "thirty-one billion, three hundred twenty-three million, three hundred thirty-two thousand, three hundred twenty-three".