350140321 has 4 divisors (see below), whose sum is σ = 350392000. Its totient is φ = 349888644.

The previous prime is 350140309. The next prime is 350140367. The reversal of 350140321 is 123041053.

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.

It is a cyclic number.

It is not a de Polignac number, because 350140321 - 2¹⁷ = 350009249 is a prime.

It is a super-3 number, since 3×350140321³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (350140391) 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, 123741 + ... + 126538.

It is an arithmetic number, because the mean of its divisors is an integer number (87598000).

Almost surely, 2^350140321 is an apocalyptic number.

It is an amenable number.

350140321 is a deficient number, since it is larger than the sum of its proper divisors (251679).

350140321 is a wasteful number, since it uses less digits than its factorization.

350140321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251678.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 350140321 is about 18712.0367945342. The cubic root of 350140321 is about 704.8240400523.

Adding to 350140321 its reverse (123041053), we get a palindrome (473181374).

The spelling of 350140321 in words is "three hundred fifty million, one hundred forty thousand, three hundred twenty-one".