320345203132 has 12 divisors (see below), whose sum is σ = 560684828200. Its totient is φ = 160149537936.

The previous prime is 320345203063. The next prime is 320345203159. The reversal of 320345203132 is 231302543023.

It is a self number, because there is not a number n which added to its sum of digits gives 320345203132.

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, 5734638 + ... + 5790229.

Almost surely, 2^320345203132 is an apocalyptic number.

It is an amenable number.

320345203132 is a deficient number, since it is larger than the sum of its proper divisors (240339625068).

320345203132 is a wasteful number, since it uses less digits than its factorization.

320345203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11531820 (or 11531818 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 320345203132 its reverse (231302543023), we get a palindrome (551647746155).

The spelling of 320345203132 in words is "three hundred twenty billion, three hundred forty-five million, two hundred three thousand, one hundred thirty-two".