323213131333121 has 4 divisors (see below), whose sum is σ = 326233814803632. Its totient is φ = 320192447862612.

The previous prime is 323213131333069. The next prime is 323213131333163. The reversal of 323213131333121 is 121333131312323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 323213131333121 - 2²² = 323213127138817 is a prime.

It is a super-2 number, since 2×323213131333121² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323213131338121) 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, 1510341735095 + ... + 1510341735308.

It is an arithmetic number, because the mean of its divisors is an integer number (81558453700908).

Almost surely, 2^{323213131333121} is an apocalyptic number.

It is an amenable number.

323213131333121 is a deficient number, since it is larger than the sum of its proper divisors (3020683470511).

323213131333121 is a wasteful number, since it uses less digits than its factorization.

323213131333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020683470510.

The product of its digits is 17496, while the sum is 32.

Adding to 323213131333121 its reverse (121333131312323), we get a palindrome (444546262645444).

The spelling of 323213131333121 in words is "three hundred twenty-three trillion, two hundred thirteen billion, one hundred thirty-one million, three hundred thirty-three thousand, one hundred twenty-one".