331122310313 has 4 divisors (see below), whose sum is σ = 331662477828. Its totient is φ = 330582142800.

The previous prime is 331122310289. The next prime is 331122310331. The reversal of 331122310313 is 313013221133.

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 113227539049 + 217894771264 = 336493^2 + 466792^2 .

It is a cyclic number.

It is not a de Polignac number, because 331122310313 - 2¹⁶ = 331122244777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331122310373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270082838 + ... + 270084063.

It is an arithmetic number, because the mean of its divisors is an integer number (82915619457).

Almost surely, 2^331122310313 is an apocalyptic number.

It is an amenable number.

331122310313 is a deficient number, since it is larger than the sum of its proper divisors (540167515).

331122310313 is an equidigital number, since it uses as much as digits as its factorization.

331122310313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540167514.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 331122310313 its reverse (313013221133), we get a palindrome (644135531446).

The spelling of 331122310313 in words is "three hundred thirty-one billion, one hundred twenty-two million, three hundred ten thousand, three hundred thirteen".