350342321 has 4 divisors (see below), whose sum is σ = 400391232. Its totient is φ = 300293412.

The previous prime is 350342303. The next prime is 350342351. The reversal of 350342321 is 123243053.

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: 123243053 = 73 ⋅1688261.

It is a cyclic number.

It is not a de Polignac number, because 350342321 - 2¹⁸ = 350080177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (350342351) 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, 25024445 + ... + 25024458.

It is an arithmetic number, because the mean of its divisors is an integer number (100097808).

Almost surely, 2^350342321 is an apocalyptic number.

It is an amenable number.

350342321 is a deficient number, since it is larger than the sum of its proper divisors (50048911).

350342321 is an equidigital number, since it uses as much as digits as its factorization.

350342321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50048910.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 350342321 is about 18717.4336114757. The cubic root of 350342321 is about 704.9595543754.

Adding to 350342321 its reverse (123243053), we get a palindrome (473585374).

The spelling of 350342321 in words is "three hundred fifty million, three hundred forty-two thousand, three hundred twenty-one".