320320231132 has 12 divisors (see below), whose sum is σ = 611520441336. Its totient is φ = 145600105040.

The previous prime is 320320231117. The next prime is 320320231157. The reversal of 320320231132 is 231132023023.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3640002583 + ... + 3640002670.

It is an arithmetic number, because the mean of its divisors is an integer number (50960036778).

Almost surely, 2^320320231132 is an apocalyptic number.

It is an amenable number.

320320231132 is a deficient number, since it is larger than the sum of its proper divisors (291200210204).

320320231132 is a wasteful number, since it uses less digits than its factorization.

320320231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7280005268 (or 7280005266 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 320320231132 its reverse (231132023023), we get a palindrome (551452254155).

The spelling of 320320231132 in words is "three hundred twenty billion, three hundred twenty million, two hundred thirty-one thousand, one hundred thirty-two".