316411355321 has 4 divisors (see below), whose sum is σ = 316412488272. Its totient is φ = 316410222372.

The previous prime is 316411355311. The next prime is 316411355341. The reversal of 316411355321 is 123553114613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 123553114613 = 328687 ⋅375899.

It is a cyclic number.

It is not a de Polignac number, because 316411355321 - 2¹⁴ = 316411338937 is a prime.

It is a super-3 number, since 3×316411355321³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316411355311) 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, 182810 + ... + 816236.

It is an arithmetic number, because the mean of its divisors is an integer number (79103122068).

Almost surely, 2^316411355321 is an apocalyptic number.

It is an amenable number.

316411355321 is a deficient number, since it is larger than the sum of its proper divisors (1132951).

316411355321 is an equidigital number, since it uses as much as digits as its factorization.

316411355321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132950.

The product of its digits is 32400, while the sum is 35.

Adding to 316411355321 its reverse (123553114613), we get a palindrome (439964469934).

The spelling of 316411355321 in words is "three hundred sixteen billion, four hundred eleven million, three hundred fifty-five thousand, three hundred twenty-one".