320231231121313 has 16 divisors (see below), whose sum is σ = 325813443120000. Its totient is φ = 314654196954240.

The previous prime is 320231231121301. The next prime is 320231231121341. The reversal of 320231231121313 is 313121132132023.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320231231121313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320231231121013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1529518645 + ... + 1529727997.

It is an arithmetic number, because the mean of its divisors is an integer number (20363340195000).

Almost surely, 2^{320231231121313} is an apocalyptic number.

It is an amenable number.

320231231121313 is a deficient number, since it is larger than the sum of its proper divisors (5582211998687).

320231231121313 is a wasteful number, since it uses less digits than its factorization.

320231231121313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221592.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 320231231121313 its reverse (313121132132023), we get a palindrome (633352363253336).

The spelling of 320231231121313 in words is "three hundred twenty trillion, two hundred thirty-one billion, two hundred thirty-one million, one hundred twenty-one thousand, three hundred thirteen".