313212330133 has 4 divisors (see below), whose sum is σ = 324012755340. Its totient is φ = 302411904928.

The previous prime is 313212330113. The next prime is 313212330161. The reversal of 313212330133 is 331033212313.

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 241220464164 + 71991865969 = 491142^2 + 268313^2 .

It is a cyclic number.

It is not a de Polignac number, because 313212330133 - 2²⁹ = 312675459221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313212330098 and 313212330107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313212330113) 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, 5400212560 + ... + 5400212617.

It is an arithmetic number, because the mean of its divisors is an integer number (81003188835).

Almost surely, 2^313212330133 is an apocalyptic number.

It is an amenable number.

313212330133 is a deficient number, since it is larger than the sum of its proper divisors (10800425207).

313212330133 is a wasteful number, since it uses less digits than its factorization.

313212330133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10800425206.

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

Adding to 313212330133 its reverse (331033212313), we get a palindrome (644245542446).

The spelling of 313212330133 in words is "three hundred thirteen billion, two hundred twelve million, three hundred thirty thousand, one hundred thirty-three".