320342132 has 12 divisors (see below), whose sum is σ = 611562336. Its totient is φ = 145610040.

The previous prime is 320342111. The next prime is 320342167. The reversal of 320342132 is 231243023.

320342132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3640208 + ... + 3640295.

It is an arithmetic number, because the mean of its divisors is an integer number (50963528).

Almost surely, 2^320342132 is an apocalyptic number.

It is an amenable number.

320342132 is a deficient number, since it is larger than the sum of its proper divisors (291220204).

320342132 is a wasteful number, since it uses less digits than its factorization.

320342132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7280518 (or 7280516 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 320342132 is about 17898.1041454116. The cubic root of 320342132 is about 684.2340574683.

Adding to 320342132 its reverse (231243023), we get a palindrome (551585155).

The spelling of 320342132 in words is "three hundred twenty million, three hundred forty-two thousand, one hundred thirty-two".