320203231230 has 64 divisors (see below), whose sum is σ = 813858865920. Its totient is φ = 80348342784.

The previous prime is 320203231211. The next prime is 320203231259. The reversal of 320203231230 is 32132302023.

It is a junction number, because it is equal to n+sod(n) for n = 320203231197 and 320203231206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2543101 + ... + 2666039.

It is an arithmetic number, because the mean of its divisors is an integer number (12716544780).

Almost surely, 2^320203231230 is an apocalyptic number.

320203231230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320203231230 is an abundant number, since it is smaller than the sum of its proper divisors (493655634690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320203231230 is a wasteful number, since it uses less digits than its factorization.

320203231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128073.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 320203231230 its reverse (32132302023), we get a palindrome (352335533253).

The spelling of 320203231230 in words is "three hundred twenty billion, two hundred three million, two hundred thirty-one thousand, two hundred thirty".