311944867590852 has 48 divisors (see below), whose sum is σ = 816597855498880. Its totient is φ = 102972092210784.

The previous prime is 311944867590833. The next prime is 311944867590857. The reversal of 311944867590852 is 258095768449113.

311944867590852 is a `hidden beast` number, since 3 + 1 + 1 + 9 + 4 + 486 + 7 + 5 + 90 + 8 + 52 = 666.

It is not an unprimeable number, because it can be changed into a prime (311944867590857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14021243263 + ... + 14021265510.

It is a 2-persistent number, because it is pandigital, and so is 2⋅311944867590852 = 623889735181704, but 3⋅311944867590852 = 935834602772556 is not.

Almost surely, 2^{311944867590852} is an apocalyptic number.

It is an amenable number.

311944867590852 is an abundant number, since it is smaller than the sum of its proper divisors (504652987908028).

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

311944867590852 is a wasteful number, since it uses less digits than its factorization.

311944867590852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28042508889 (or 28042508881 counting only the distinct ones).

The product of its (nonzero) digits is 522547200, while the sum is 72.

The spelling of 311944867590852 in words is "three hundred eleven trillion, nine hundred forty-four billion, eight hundred sixty-seven million, five hundred ninety thousand, eight hundred fifty-two".