1323100331321 has 8 divisors (see below), whose sum is σ = 1354148837184. Its totient is φ = 1292064495120.

The previous prime is 1323100331291. The next prime is 1323100331341. The reversal of 1323100331321 is 1231330013231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323100331321 - 2¹⁰ = 1323100330297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323100331341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2955941 + ... + 3373986.

It is an arithmetic number, because the mean of its divisors is an integer number (169268604648).

Almost surely, 2^{1323100331321} is an apocalyptic number.

It is an amenable number.

1323100331321 is a deficient number, since it is larger than the sum of its proper divisors (31048505863).

1323100331321 is an equidigital number, since it uses as much as digits as its factorization.

1323100331321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334831.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1323100331321 its reverse (1231330013231), we get a palindrome (2554430344552).

The spelling of 1323100331321 in words is "one trillion, three hundred twenty-three billion, one hundred million, three hundred thirty-one thousand, three hundred twenty-one".