313863816 has 48 divisors (see below), whose sum is σ = 912770640. Its totient is φ = 89675040.

The previous prime is 313863811. The next prime is 313863821. The reversal of 313863816 is 618368313.

It is an interprime number because it is at equal distance from previous prime (313863811) and next prime (313863821).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (313863811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132270 + ... + 134621.

It is an arithmetic number, because the mean of its divisors is an integer number (19016055).

Almost surely, 2^313863816 is an apocalyptic number.

It is an amenable number.

313863816 is an abundant number, since it is smaller than the sum of its proper divisors (598906824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313863816 is a wasteful number, since it uses less digits than its factorization.

313863816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266914 (or 266903 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 313863816 is about 17716.2020760659. The cubic root of 313863816 is about 679.5901624976.

The spelling of 313863816 in words is "three hundred thirteen million, eight hundred sixty-three thousand, eight hundred sixteen".