311827473816 has 32 divisors (see below), whose sum is σ = 779582502000. Its totient is φ = 103940648960.

The previous prime is 311827473779. The next prime is 311827473847. The reversal of 311827473816 is 618374728113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2306656 + ... + 2438096.

Almost surely, 2^311827473816 is an apocalyptic number.

It is an amenable number.

311827473816 is an abundant number, since it is smaller than the sum of its proper divisors (467755028184).

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

311827473816 is a wasteful number, since it uses less digits than its factorization.

311827473816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230299 (or 230295 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 51.

The spelling of 311827473816 in words is "three hundred eleven billion, eight hundred twenty-seven million, four hundred seventy-three thousand, eight hundred sixteen".