313321123133 has 8 divisors (see below), whose sum is σ = 321230398776. Its totient is φ = 305424576000.

The previous prime is 313321123109. The next prime is 313321123139. The reversal of 313321123133 is 331321123313.

It can be written as a sum of positive squares in 4 ways, for example, as 61319131129 + 252001992004 = 247627^2 + 501998^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313321123133 - 2¹⁶ = 313321057597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313321123139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3132266 + ... + 3230747.

It is an arithmetic number, because the mean of its divisors is an integer number (40153799847).

Almost surely, 2^313321123133 is an apocalyptic number.

It is an amenable number.

313321123133 is a deficient number, since it is larger than the sum of its proper divisors (7909275643).

313321123133 is a wasteful number, since it uses less digits than its factorization.

313321123133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364255.

The product of its digits is 2916, while the sum is 26.

Adding to 313321123133 its reverse (331321123313), we get a palindrome (644642246446).

The spelling of 313321123133 in words is "three hundred thirteen billion, three hundred twenty-one million, one hundred twenty-three thousand, one hundred thirty-three".