231320303132320 has 48 divisors (see below), whose sum is σ = 549355442485248. Its totient is φ = 92043680815360.

The previous prime is 231320303132267. The next prime is 231320303132329. The reversal of 231320303132320 is 23231303023132.

It is not an unprimeable number, because it can be changed into a prime (231320303132329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3784660264 + ... + 3784721383.

It is an arithmetic number, because the mean of its divisors is an integer number (11444905051776).

Almost surely, 2^{231320303132320} is an apocalyptic number.

231320303132320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231320303132320 is an abundant number, since it is smaller than the sum of its proper divisors (318035139352928).

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

231320303132320 is a wasteful number, since it uses less digits than its factorization.

231320303132320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7569381853 (or 7569381845 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 231320303132320 its reverse (23231303023132), we get a palindrome (254551606155452).

The spelling of 231320303132320 in words is "two hundred thirty-one trillion, three hundred twenty billion, three hundred three million, one hundred thirty-two thousand, three hundred twenty".