318306520244 has 24 divisors (see below), whose sum is σ = 565186180608. Its totient is φ = 156840330560.

The previous prime is 318306520237. The next prime is 318306520247. The reversal of 318306520244 is 442025603813.

It is a junction number, because it is equal to n+sod(n) for n = 318306520198 and 318306520207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318306520247) 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, 1865129 + ... + 2028624.

It is an arithmetic number, because the mean of its divisors is an integer number (23549424192).

Almost surely, 2^318306520244 is an apocalyptic number.

It is an amenable number.

318306520244 is a deficient number, since it is larger than the sum of its proper divisors (246879660364).

318306520244 is a wasteful number, since it uses less digits than its factorization.

318306520244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894055 (or 3894053 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 318306520244 in words is "three hundred eighteen billion, three hundred six million, five hundred twenty thousand, two hundred forty-four".