320341432 has 8 divisors (see below), whose sum is σ = 600640200. Its totient is φ = 160170712.

The previous prime is 320341423. The next prime is 320341451. The reversal of 320341432 is 234143023.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20021332 + ... + 20021347.

It is an arithmetic number, because the mean of its divisors is an integer number (75080025).

Almost surely, 2^320341432 is an apocalyptic number.

It is an amenable number.

320341432 is a deficient number, since it is larger than the sum of its proper divisors (280298768).

320341432 is a wasteful number, since it uses less digits than its factorization.

320341432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40042685 (or 40042681 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 320341432 is about 17898.0845902571. The cubic root of 320341432 is about 684.2335590801.

Adding to 320341432 its reverse (234143023), we get a palindrome (554484455).

The spelling of 320341432 in words is "three hundred twenty million, three hundred forty-one thousand, four hundred thirty-two".