431328214 has 4 divisors (see below), whose sum is σ = 646992324. Its totient is φ = 215664106.

The previous prime is 431328137. The next prime is 431328217. The reversal of 431328214 is 412823134.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431328217) 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 as a sum of consecutive naturals, namely, 107832052 + ... + 107832055.

It is an arithmetic number, because the mean of its divisors is an integer number (161748081).

Almost surely, 2^431328214 is an apocalyptic number.

431328214 is a deficient number, since it is larger than the sum of its proper divisors (215664110).

431328214 is a wasteful number, since it uses less digits than its factorization.

431328214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215664109.

The product of its digits is 4608, while the sum is 28.

The square root of 431328214 is about 20768.4427437398. The cubic root of 431328214 is about 755.5605760319.

The spelling of 431328214 in words is "four hundred thirty-one million, three hundred twenty-eight thousand, two hundred fourteen".