311718813696 has 448 divisors, whose sum is σ = 949196943360. Its totient is φ = 102335643648.

The previous prime is 311718813671. The next prime is 311718813713. The reversal of 311718813696 is 696318817113.

311718813696 is a `hidden beast` number, since 31 + 171 + 8 + 81 + 369 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 31 ways as a sum of consecutive naturals, for example, 2275319740 + ... + 2275319876.

Almost surely, 2^311718813696 is an apocalyptic number.

311718813696 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311718813696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474598471680).

311718813696 is an abundant number, since it is smaller than the sum of its proper divisors (637478129664).

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

311718813696 is an frugal number, since it uses more digits than its factorization.

311718813696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 269 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The spelling of 311718813696 in words is "three hundred eleven billion, seven hundred eighteen million, eight hundred thirteen thousand, six hundred ninety-six".