103321331321 has 4 divisors (see below), whose sum is σ = 111269126052. Its totient is φ = 95373536592.

The previous prime is 103321331303. The next prime is 103321331329. The reversal of 103321331321 is 123133123301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6311508025 + 97009823296 = 79445^2 + 311464^2 .

It is a cyclic number.

It is not a de Polignac number, because 103321331321 - 2²² = 103317137017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103321331329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3973897346 + ... + 3973897371.

It is an arithmetic number, because the mean of its divisors is an integer number (27817281513).

Almost surely, 2^103321331321 is an apocalyptic number.

It is an amenable number.

103321331321 is a deficient number, since it is larger than the sum of its proper divisors (7947794731).

103321331321 is an equidigital number, since it uses as much as digits as its factorization.

103321331321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7947794730.

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

Adding to 103321331321 its reverse (123133123301), we get a palindrome (226454454622).

The spelling of 103321331321 in words is "one hundred three billion, three hundred twenty-one million, three hundred thirty-one thousand, three hundred twenty-one".