311706409864 has 16 divisors (see below), whose sum is σ = 584456440320. Its totient is φ = 155851359120.

The previous prime is 311706409799. The next prime is 311706409867. The reversal of 311706409864 is 468904607113.

It is not an unprimeable number, because it can be changed into a prime (311706409867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715009 + ... + 1065199.

It is an arithmetic number, because the mean of its divisors is an integer number (36528527520).

Almost surely, 2^311706409864 is an apocalyptic number.

It is an amenable number.

311706409864 is a deficient number, since it is larger than the sum of its proper divisors (272750030456).

311706409864 is a wasteful number, since it uses less digits than its factorization.

311706409864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461460 (or 461456 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 311706409864 in words is "three hundred eleven billion, seven hundred six million, four hundred nine thousand, eight hundred sixty-four".