313816238 has 8 divisors (see below), whose sum is σ = 474431232. Its totient is φ = 155672496.

The previous prime is 313816231. The next prime is 313816253. The reversal of 313816238 is 832618313.

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

It is a junction number, because it is equal to n+sod(n) for n = 313816198 and 313816207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313816231) 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, 617495 + ... + 618002.

It is an arithmetic number, because the mean of its divisors is an integer number (59303904).

Almost surely, 2^313816238 is an apocalyptic number.

313816238 is a deficient number, since it is larger than the sum of its proper divisors (160614994).

313816238 is a wasteful number, since it uses less digits than its factorization.

313816238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235626.

The product of its digits is 20736, while the sum is 35.

The square root of 313816238 is about 17714.8592430197. The cubic root of 313816238 is about 679.5558215159. Note that the first 3 decimals are identical.

The spelling of 313816238 in words is "three hundred thirteen million, eight hundred sixteen thousand, two hundred thirty-eight".