320312230 has 32 divisors (see below), whose sum is σ = 660877056. Its totient is φ = 109496544.

The previous prime is 320312227. The next prime is 320312233. The reversal of 320312230 is 32213023.

It is an interprime number because it is at equal distance from previous prime (320312227) and next prime (320312233).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320312233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17697 + ... + 30883.

It is an arithmetic number, because the mean of its divisors is an integer number (20652408).

Almost surely, 2^320312230 is an apocalyptic number.

320312230 is an abundant number, since it is smaller than the sum of its proper divisors (340564826).

320312230 is a wasteful number, since it uses less digits than its factorization.

320312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13548.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 320312230 is about 17897.2687860467. The cubic root of 320312230 is about 684.2127671026.

Adding to 320312230 its reverse (32213023), we get a palindrome (352525253).

The spelling of 320312230 in words is "three hundred twenty million, three hundred twelve thousand, two hundred thirty".