321320112013301 has 4 divisors (see below), whose sum is σ = 324163652827692. Its totient is φ = 318476571198912.

The previous prime is 321320112013291. The next prime is 321320112013343. The reversal of 321320112013301 is 103310211023123.

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 131641798872676 + 189678313140625 = 11473526^2 + 13772375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321320112013301 is a prime.

It is a super-2 number, since 2×321320112013301² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321320112013361) 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, 1421770407026 + ... + 1421770407251.

It is an arithmetic number, because the mean of its divisors is an integer number (81040913206923).

Almost surely, 2^{321320112013301} is an apocalyptic number.

It is an amenable number.

321320112013301 is a deficient number, since it is larger than the sum of its proper divisors (2843540814391).

321320112013301 is a wasteful number, since it uses less digits than its factorization.

321320112013301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843540814390.

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

Adding to 321320112013301 its reverse (103310211023123), we get a palindrome (424630323036424).

The spelling of 321320112013301 in words is "three hundred twenty-one trillion, three hundred twenty billion, one hundred twelve million, thirteen thousand, three hundred one".