321404240011313 has 8 divisors (see below), whose sum is σ = 322991278195560. Its totient is φ = 319820949262080.

The previous prime is 321404240011289. The next prime is 321404240011373. The reversal of 321404240011313 is 313110042404123.

It can be written as a sum of positive squares in 4 ways, for example, as 124248296675584 + 197155943335729 = 11146672^2 + 14041223^2 .

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 321404240011313 - 2¹⁶ = 321404239945777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321404240011373) 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, 936686798 + ... + 937029863.

It is an arithmetic number, because the mean of its divisors is an integer number (40373909774445).

Almost surely, 2^{321404240011313} is an apocalyptic number.

It is an amenable number.

321404240011313 is a deficient number, since it is larger than the sum of its proper divisors (1587038184247).

321404240011313 is a wasteful number, since it uses less digits than its factorization.

321404240011313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873717507.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 321404240011313 its reverse (313110042404123), we get a palindrome (634514282415436).

The spelling of 321404240011313 in words is "three hundred twenty-one trillion, four hundred four billion, two hundred forty million, eleven thousand, three hundred thirteen".