323213013331 has 4 divisors (see below), whose sum is σ = 348075552832. Its totient is φ = 298350473832.

The previous prime is 323213013323. The next prime is 323213013359. The reversal of 323213013331 is 133310312323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133310312323 = 4073 ⋅32730251.

It is a cyclic number.

It is not a de Polignac number, because 323213013331 - 2³ = 323213013323 is a prime.

It is a super-2 number, since 2×323213013331² (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 = 323213013296 and 323213013305.

It is not an unprimeable number, because it can be changed into a prime (323213013371) 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, 12431269731 + ... + 12431269756.

It is an arithmetic number, because the mean of its divisors is an integer number (87018888208).

Almost surely, 2^323213013331 is an apocalyptic number.

323213013331 is a deficient number, since it is larger than the sum of its proper divisors (24862539501).

323213013331 is a wasteful number, since it uses less digits than its factorization.

323213013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24862539500.

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

Adding to 323213013331 its reverse (133310312323), we get a palindrome (456523325654).

The spelling of 323213013331 in words is "three hundred twenty-three billion, two hundred thirteen million, thirteen thousand, three hundred thirty-one".