350303321 has 4 divisors (see below), whose sum is σ = 352654500. Its totient is φ = 347952144.

The previous prime is 350303293. The next prime is 350303333. The reversal of 350303321 is 123303053.

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 70744921 + 279558400 = 8411^2 + 16720^2 .

It is a cyclic number.

It is not a de Polignac number, because 350303321 - 2¹⁸ = 350041177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 350303293 and 350303302.

It is not an unprimeable number, because it can be changed into a prime (350303521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175366 + ... + 1175663.

It is an arithmetic number, because the mean of its divisors is an integer number (88163625).

Almost surely, 2^350303321 is an apocalyptic number.

It is an amenable number.

350303321 is a deficient number, since it is larger than the sum of its proper divisors (2351179).

350303321 is a wasteful number, since it uses less digits than its factorization.

350303321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351178.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 350303321 is about 18716.3917729887. The cubic root of 350303321 is about 704.9333947773.

Adding to 350303321 its reverse (123303053), we get a palindrome (473606374).

The spelling of 350303321 in words is "three hundred fifty million, three hundred three thousand, three hundred twenty-one".