323013221220031 has 4 divisors (see below), whose sum is σ = 323143837163152. Its totient is φ = 322882605276912.

The previous prime is 323013221220007. The next prime is 323013221220103. The reversal of 323013221220031 is 130022122310323.

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 323013221220031 - 2²⁷ = 323013087002303 is a prime.

It is a super-2 number, since 2×323013221220031² (a number of 30 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 = 323013221219978 and 323013221220005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323013221223031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65307967851 + ... + 65307972796.

It is an arithmetic number, because the mean of its divisors is an integer number (80785959290788).

Almost surely, 2^{323013221220031} is an apocalyptic number.

323013221220031 is a deficient number, since it is larger than the sum of its proper divisors (130615943121).

323013221220031 is a wasteful number, since it uses less digits than its factorization.

323013221220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130615943120.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 323013221220031 its reverse (130022122310323), we get a palindrome (453035343530354).

The spelling of 323013221220031 in words is "three hundred twenty-three trillion, thirteen billion, two hundred twenty-one million, two hundred twenty thousand, thirty-one".