313323113122 has 4 divisors (see below), whose sum is σ = 469984669686. Its totient is φ = 156661556560.

The previous prime is 313323113099. The next prime is 313323113123. The reversal of 313323113122 is 221311323313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221311323313 = 10037 ⋅22049549.

It can be written as a sum of positive squares in only one way, i.e., 277548795241 + 35774317881 = 526829^2 + 189141^2 .

It is not an unprimeable number, because it can be changed into a prime (313323113123) 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 as a sum of consecutive naturals, namely, 78330778279 + ... + 78330778282.

Almost surely, 2^313323113122 is an apocalyptic number.

313323113122 is a deficient number, since it is larger than the sum of its proper divisors (156661556564).

313323113122 is a wasteful number, since it uses less digits than its factorization.

313323113122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156661556563.

The product of its digits is 1944, while the sum is 25.

Adding to 313323113122 its reverse (221311323313), we get a palindrome (534634436435).

The spelling of 313323113122 in words is "three hundred thirteen billion, three hundred twenty-three million, one hundred thirteen thousand, one hundred twenty-two".