320344132 has 6 divisors (see below), whose sum is σ = 560602238. Its totient is φ = 160172064.

The previous prime is 320344127. The next prime is 320344153. The reversal of 320344132 is 231443023.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 296666176 + 23677956 = 17224^2 + 4866^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40043013 + ... + 40043020.

Almost surely, 2^320344132 is an apocalyptic number.

It is an amenable number.

320344132 is a deficient number, since it is larger than the sum of its proper divisors (240258106).

320344132 is a wasteful number, since it uses less digits than its factorization.

320344132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80086037 (or 80086035 counting only the distinct ones).

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

The square root of 320344132 is about 17898.1600171638. The cubic root of 320344132 is about 684.2354814305.

Adding to 320344132 its reverse (231443023), we get a palindrome (551787155).

The spelling of 320344132 in words is "three hundred twenty million, three hundred forty-four thousand, one hundred thirty-two".