321240214 has 8 divisors (see below), whose sum is σ = 481973040. Its totient is φ = 160582536.

The previous prime is 321240209. The next prime is 321240233. The reversal of 321240214 is 412042123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 321240191 and 321240200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6489 + ... + 26164.

It is an arithmetic number, because the mean of its divisors is an integer number (60246630).

Almost surely, 2^321240214 is an apocalyptic number.

321240214 is a deficient number, since it is larger than the sum of its proper divisors (160732826).

321240214 is a wasteful number, since it uses less digits than its factorization.

321240214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37574.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 321240214 is about 17923.1753325129. The cubic root of 321240214 is about 684.8728796022.

Adding to 321240214 its reverse (412042123), we get a palindrome (733282337).

The spelling of 321240214 in words is "three hundred twenty-one million, two hundred forty thousand, two hundred fourteen".