313087217828 has 36 divisors (see below), whose sum is σ = 688274387136. Its totient is φ = 121982031600.

The previous prime is 313087217819. The next prime is 313087217879. The reversal of 313087217828 is 828712780313.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46201928 + ... + 46208703.

It is an arithmetic number, because the mean of its divisors is an integer number (19118732976).

Almost surely, 2^313087217828 is an apocalyptic number.

It is an amenable number.

313087217828 is an abundant number, since it is smaller than the sum of its proper divisors (375187169308).

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

313087217828 is a wasteful number, since it uses less digits than its factorization.

313087217828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92410664 (or 92410651 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 313087217828 in words is "three hundred thirteen billion, eighty-seven million, two hundred seventeen thousand, eight hundred twenty-eight".