313023000133 has 4 divisors (see below), whose sum is σ = 313026835180. Its totient is φ = 313019165088.

The previous prime is 313023000131. The next prime is 313023000163. The reversal of 313023000133 is 331000320313.

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 48021463044 + 265001537089 = 219138^2 + 514783^2 .

It is a cyclic number.

It is not a de Polignac number, because 313023000133 - 2¹ = 313023000131 is a prime.

It is a super-2 number, since 2×313023000133² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313023000133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313023000131) 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, 1792368 + ... + 1959241.

It is an arithmetic number, because the mean of its divisors is an integer number (78256708795).

Almost surely, 2^313023000133 is an apocalyptic number.

It is an amenable number.

313023000133 is a deficient number, since it is larger than the sum of its proper divisors (3835047).

313023000133 is an equidigital number, since it uses as much as digits as its factorization.

313023000133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835046.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 313023000133 its reverse (331000320313), we get a palindrome (644023320446).

The spelling of 313023000133 in words is "three hundred thirteen billion, twenty-three million, one hundred thirty-three", and thus it is an aban number.