313308399 has 4 divisors (see below), whose sum is σ = 417744536. Its totient is φ = 208872264.

The previous prime is 313308397. The next prime is 313308403. The reversal of 313308399 is 993803313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 313308399 - 2¹ = 313308397 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 (313308397) 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 in 3 ways as a sum of consecutive naturals, for example, 52218064 + ... + 52218069.

It is an arithmetic number, because the mean of its divisors is an integer number (104436134).

Almost surely, 2^313308399 is an apocalyptic number.

313308399 is a deficient number, since it is larger than the sum of its proper divisors (104436137).

313308399 is a wasteful number, since it uses less digits than its factorization.

313308399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104436136.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 313308399 is about 17700.5197381320. The cubic root of 313308399 is about 679.1890556275.

The spelling of 313308399 in words is "three hundred thirteen million, three hundred eight thousand, three hundred ninety-nine".