231320313200320 has 28 divisors (see below), whose sum is σ = 550831495809024. Its totient is φ = 92528125280000.

The previous prime is 231320313200311. The next prime is 231320313200329. The reversal of 231320313200320 is 23002313023132.

It is an interprime number because it is at equal distance from previous prime (231320313200311) and next prime (231320313200329).

It is not an unprimeable number, because it can be changed into a prime (231320313200329) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 361437989056 + ... + 361437989695.

Almost surely, 2^{231320313200320} is an apocalyptic number.

231320313200320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231320313200320 is an abundant number, since it is smaller than the sum of its proper divisors (319511182608704).

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

231320313200320 is an equidigital number, since it uses as much as digits as its factorization.

231320313200320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722875978768 (or 722875978758 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 231320313200320 its reverse (23002313023132), we get a palindrome (254322626223452).

The spelling of 231320313200320 in words is "two hundred thirty-one trillion, three hundred twenty billion, three hundred thirteen million, two hundred thousand, three hundred twenty".