313341143321 has 2 divisors, whose sum is σ = 313341143322. Its totient is φ = 313341143320.

The previous prime is 313341143273. The next prime is 313341143341. The reversal of 313341143321 is 123341143313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309095969296 + 4245174025 = 555964^2 + 65155^2 .

It is an emirp because it is prime and its reverse (123341143313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313341143321 - 2¹⁴ = 313341126937 is a prime.

It is a super-2 number, since 2×313341143321² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313341143341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156670571660 + 156670571661.

It is an arithmetic number, because the mean of its divisors is an integer number (156670571661).

Almost surely, 2^313341143321 is an apocalyptic number.

It is an amenable number.

313341143321 is a deficient number, since it is larger than the sum of its proper divisors (1).

313341143321 is an equidigital number, since it uses as much as digits as its factorization.

313341143321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 29.

Adding to 313341143321 its reverse (123341143313), we get a palindrome (436682286634).

The spelling of 313341143321 in words is "three hundred thirteen billion, three hundred forty-one million, one hundred forty-three thousand, three hundred twenty-one".