321032103103121 has 4 divisors (see below), whose sum is σ = 321041485377252. Its totient is φ = 321022720828992.

The previous prime is 321032103103093. The next prime is 321032103103123. The reversal of 321032103103121 is 121301301230123.

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 300226280507521 + 20805822595600 = 17327039^2 + 4561340^2 .

It is a cyclic number.

It is not a de Polignac number, because 321032103103121 - 2²² = 321032098908817 is a prime.

It is a super-2 number, since 2×321032103103121² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (321032103103123) 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, 4691085740 + ... + 4691154173.

It is an arithmetic number, because the mean of its divisors is an integer number (80260371344313).

Almost surely, 2^{321032103103121} is an apocalyptic number.

It is an amenable number.

321032103103121 is a deficient number, since it is larger than the sum of its proper divisors (9382274131).

321032103103121 is an equidigital number, since it uses as much as digits as its factorization.

321032103103121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9382274130.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 321032103103121 its reverse (121301301230123), we get a palindrome (442333404333244).

The spelling of 321032103103121 in words is "three hundred twenty-one trillion, thirty-two billion, one hundred three million, one hundred three thousand, one hundred twenty-one".