320132356 has 6 divisors (see below), whose sum is σ = 560231630. Its totient is φ = 160066176.

The previous prime is 320132353. The next prime is 320132357. The reversal of 320132356 is 653231023.

It is a happy number.

320132356 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 317409856 + 2722500 = 17816^2 + 1650^2 .

It is a super-2 number, since 2×320132356² = 204969450716221472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320132356.

It is not an unprimeable number, because it can be changed into a prime (320132353) by changing a digit.

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, 40016541 + ... + 40016548.

Almost surely, 2^320132356 is an apocalyptic number.

It is an amenable number.

320132356 is a deficient number, since it is larger than the sum of its proper divisors (240099274).

320132356 is a wasteful number, since it uses less digits than its factorization.

320132356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80033093 (or 80033091 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 320132356 is about 17892.2429002068. The cubic root of 320132356 is about 684.0846679956.

Adding to 320132356 its reverse (653231023), we get a palindrome (973363379).

The spelling of 320132356 in words is "three hundred twenty million, one hundred thirty-two thousand, three hundred fifty-six".