331303232113 has 4 divisors (see below), whose sum is σ = 378632265280. Its totient is φ = 283974198948.

The previous prime is 331303232101. The next prime is 331303232153. The reversal of 331303232113 is 311232303133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311232303133 = 121007 ⋅2572019.

It is a cyclic number.

It is not a de Polignac number, because 331303232113 - 2¹³ = 331303223921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331303232153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23664516573 + ... + 23664516586.

It is an arithmetic number, because the mean of its divisors is an integer number (94658066320).

Almost surely, 2^331303232113 is an apocalyptic number.

It is an amenable number.

331303232113 is a deficient number, since it is larger than the sum of its proper divisors (47329033167).

331303232113 is an equidigital number, since it uses as much as digits as its factorization.

331303232113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47329033166.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 331303232113 its reverse (311232303133), we get a palindrome (642535535246).

The spelling of 331303232113 in words is "three hundred thirty-one billion, three hundred three million, two hundred thirty-two thousand, one hundred thirteen".