313113133 has 8 divisors (see below), whose sum is σ = 317788856. Its totient is φ = 308448000.

The previous prime is 313113121. The next prime is 313113149. The reversal of 313113133 is 331311313.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11812969 + 301300164 = 3437^2 + 17358^2 .

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 313113133 - 2¹³ = 313104941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313113133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313113173) 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, 72433 + ... + 76633.

It is an arithmetic number, because the mean of its divisors is an integer number (39723607).

Almost surely, 2^313113133 is an apocalyptic number.

It is an amenable number.

313113133 is a deficient number, since it is larger than the sum of its proper divisors (4675723).

313113133 is a wasteful number, since it uses less digits than its factorization.

313113133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5295.

The product of its digits is 243, while the sum is 19.

The square root of 313113133 is about 17695.0030517093. The cubic root of 313113133 is about 679.0479272782.

Adding to 313113133 its reverse (331311313), we get a palindrome (644424446).

It can be divided in two parts, 31311313 and 3, that multiplied together give a palindrome (93933939).

The spelling of 313113133 in words is "three hundred thirteen million, one hundred thirteen thousand, one hundred thirty-three".