323321320031 has 16 divisors (see below), whose sum is σ = 348318197760. Its totient is φ = 299239284960.

The previous prime is 323321320019. The next prime is 323321320061. The reversal of 323321320031 is 130023123323.

It is not a de Polignac number, because 323321320031 - 2⁶ = 323321319967 is a prime.

It is a super-2 number, since 2×323321320031² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323321319979 and 323321320006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323321320061) 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 15 ways as a sum of consecutive naturals, for example, 4835876 + ... + 4902278.

It is an arithmetic number, because the mean of its divisors is an integer number (21769887360).

Almost surely, 2^323321320031 is an apocalyptic number.

323321320031 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

323321320031 is a deficient number, since it is larger than the sum of its proper divisors (24996877729).

323321320031 is a wasteful number, since it uses less digits than its factorization.

323321320031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73286.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 323321320031 its reverse (130023123323), we get a palindrome (453344443354).

The spelling of 323321320031 in words is "three hundred twenty-three billion, three hundred twenty-one million, three hundred twenty thousand, thirty-one".