331232223313 has 4 divisors (see below), whose sum is σ = 331497422500. Its totient is φ = 330967024128.

The previous prime is 331232223281. The next prime is 331232223407. The reversal of 331232223313 is 313322232133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313322232133 = 5441 ⋅57585413.

It can be written as a sum of positive squares in 2 ways, for example, as 138925416529 + 192306806784 = 372727^2 + 438528^2 .

It is a cyclic number.

It is not a de Polignac number, because 331232223313 - 2⁵ = 331232223281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331232223013) by changing a digit.

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, 132597720 + ... + 132600217.

It is an arithmetic number, because the mean of its divisors is an integer number (82874355625).

Almost surely, 2^331232223313 is an apocalyptic number.

It is an amenable number.

331232223313 is a deficient number, since it is larger than the sum of its proper divisors (265199187).

331232223313 is a wasteful number, since it uses less digits than its factorization.

331232223313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265199186.

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

Adding to 331232223313 its reverse (313322232133), we get a palindrome (644554455446).

The spelling of 331232223313 in words is "three hundred thirty-one billion, two hundred thirty-two million, two hundred twenty-three thousand, three hundred thirteen".