350030321 has 4 divisors (see below), whose sum is σ = 350491044. Its totient is φ = 349569600.

The previous prime is 350030309. The next prime is 350030327. The reversal of 350030321 is 123030053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123030053 = 41 ⋅3000733.

It can be written as a sum of positive squares in 2 ways, for example, as 10144225 + 339886096 = 3185^2 + 18436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-350030321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 350030321.

It is not an unprimeable number, because it can be changed into a prime (350030327) 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, 229220 + ... + 230741.

It is an arithmetic number, because the mean of its divisors is an integer number (87622761).

Almost surely, 2^350030321 is an apocalyptic number.

It is an amenable number.

350030321 is a deficient number, since it is larger than the sum of its proper divisors (460723).

350030321 is an equidigital number, since it uses as much as digits as its factorization.

350030321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460722.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 350030321 is about 18709.0972791313. The cubic root of 350030321 is about 704.7502232041.

Adding to 350030321 its reverse (123030053), we get a palindrome (473060374).

The spelling of 350030321 in words is "three hundred fifty million, thirty thousand, three hundred twenty-one".