313034224021 has 4 divisors (see below), whose sum is σ = 321494608492. Its totient is φ = 304573839552.

The previous prime is 313034224001. The next prime is 313034224037. The reversal of 313034224021 is 120422430313.

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 290709680625 + 22324543396 = 539175^2 + 149414^2 .

It is a cyclic number.

It is not a de Polignac number, because 313034224021 - 2¹³ = 313034215829 is a prime.

It is a super-2 number, since 2×313034224021² (a number of 24 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 (313034224001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4230192180 + ... + 4230192253.

It is an arithmetic number, because the mean of its divisors is an integer number (80373652123).

Almost surely, 2^313034224021 is an apocalyptic number.

It is an amenable number.

313034224021 is a deficient number, since it is larger than the sum of its proper divisors (8460384471).

313034224021 is an equidigital number, since it uses as much as digits as its factorization.

313034224021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8460384470.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 313034224021 its reverse (120422430313), we get a palindrome (433456654334).

The spelling of 313034224021 in words is "three hundred thirteen billion, thirty-four million, two hundred twenty-four thousand, twenty-one".