331323311113 has 4 divisors (see below), whose sum is σ = 331328826900. Its totient is φ = 331317795328.

The previous prime is 331323311093. The next prime is 331323311117. The reversal of 331323311113 is 311113323133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75683861449 + 255639449664 = 275107^2 + 505608^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331323311113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331323311117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2666788 + ... + 2788261.

It is an arithmetic number, because the mean of its divisors is an integer number (82832206725).

Almost surely, 2^331323311113 is an apocalyptic number.

It is an amenable number.

331323311113 is a deficient number, since it is larger than the sum of its proper divisors (5515787).

331323311113 is an equidigital number, since it uses as much as digits as its factorization.

331323311113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5515786.

The product of its digits is 1458, while the sum is 25.

Adding to 331323311113 its reverse (311113323133), we get a palindrome (642436634246).

The spelling of 331323311113 in words is "three hundred thirty-one billion, three hundred twenty-three million, three hundred eleven thousand, one hundred thirteen".