322303313 has 4 divisors (see below), whose sum is σ = 322525680. Its totient is φ = 322080948.

The previous prime is 322303297. The next prime is 322303339. The reversal of 322303313 is 313303223.

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 an emirpimes, since its reverse is a distinct semiprime: 313303223 = 5839 ⋅53657.

It is a cyclic number.

It is not a de Polignac number, because 322303313 - 2⁴ = 322303297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322303343) 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, 108995 + ... + 111912.

It is an arithmetic number, because the mean of its divisors is an integer number (80631420).

Almost surely, 2^322303313 is an apocalyptic number.

It is an amenable number.

322303313 is a deficient number, since it is larger than the sum of its proper divisors (222367).

322303313 is a wasteful number, since it uses less digits than its factorization.

322303313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222366.

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 322303313 is about 17952.8079419349. The cubic root of 322303313 is about 685.6275443333.

Adding to 322303313 its reverse (313303223), we get a palindrome (635606536).

The spelling of 322303313 in words is "three hundred twenty-two million, three hundred three thousand, three hundred thirteen".