313821085986 has 24 divisors (see below), whose sum is σ = 679959805824. Its totient is φ = 104604856440.

The previous prime is 313821085931. The next prime is 313821085999. The reversal of 313821085986 is 689580128313.

313821085986 is a `hidden beast` number, since 3 + 1 + 38 + 2 + 10 + 8 + 598 + 6 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 877015 + ... + 1181861.

It is an arithmetic number, because the mean of its divisors is an integer number (28331658576).

Almost surely, 2^313821085986 is an apocalyptic number.

313821085986 is an abundant number, since it is smaller than the sum of its proper divisors (366138719838).

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

313821085986 is a wasteful number, since it uses less digits than its factorization.

313821085986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362046 (or 362043 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 313821085986 in words is "three hundred thirteen billion, eight hundred twenty-one million, eighty-five thousand, nine hundred eighty-six".