313213844 has 12 divisors (see below), whose sum is σ = 551407584. Its totient is φ = 155668824.

The previous prime is 313213829. The next prime is 313213871. The reversal of 313213844 is 448312313.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 233774 + ... + 235109.

It is an arithmetic number, because the mean of its divisors is an integer number (45950632).

Almost surely, 2^313213844 is an apocalyptic number.

It is an amenable number.

313213844 is a deficient number, since it is larger than the sum of its proper divisors (238193740).

313213844 is a wasteful number, since it uses less digits than its factorization.

313213844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469054 (or 469052 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 313213844 is about 17697.8485698121. The cubic root of 313213844 is about 679.1207233997.

The spelling of 313213844 in words is "three hundred thirteen million, two hundred thirteen thousand, eight hundred forty-four".