13032120311321 has 4 divisors (see below), whose sum is σ = 13032128350500. Its totient is φ = 13032112272144.

The previous prime is 13032120311291. The next prime is 13032120311333. The reversal of 13032120311321 is 12311302123031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3474197766400 + 9557922544921 = 1863920^2 + 3091589^2 .

It is a cyclic number.

It is not a de Polignac number, because 13032120311321 - 2¹⁴ = 13032120294937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13032120361321) 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, 641846 + ... + 5145503.

It is an arithmetic number, because the mean of its divisors is an integer number (3258032087625).

Almost surely, 2^{13032120311321} is an apocalyptic number.

It is an amenable number.

13032120311321 is a deficient number, since it is larger than the sum of its proper divisors (8039179).

13032120311321 is an equidigital number, since it uses as much as digits as its factorization.

13032120311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8039178.

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

Adding to 13032120311321 its reverse (12311302123031), we get a palindrome (25343422434352).

The spelling of 13032120311321 in words is "thirteen trillion, thirty-two billion, one hundred twenty million, three hundred eleven thousand, three hundred twenty-one".