318443844148 has 96 divisors (see below), whose sum is σ = 597907941120. Its totient is φ = 148122240000.

The previous prime is 318443844079. The next prime is 318443844149. The reversal of 318443844148 is 841448344813.

It is a junction number, because it is equal to n+sod(n) for n = 318443844095 and 318443844104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318443844149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308868393 + ... + 308869423.

It is an arithmetic number, because the mean of its divisors is an integer number (6228207720).

Almost surely, 2^318443844148 is an apocalyptic number.

It is an amenable number.

318443844148 is a deficient number, since it is larger than the sum of its proper divisors (279464096972).

318443844148 is a wasteful number, since it uses less digits than its factorization.

318443844148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849 (or 1847 counting only the distinct ones).

The product of its digits is 4718592, while the sum is 52.

The spelling of 318443844148 in words is "three hundred eighteen billion, four hundred forty-three million, eight hundred forty-four thousand, one hundred forty-eight".