311998707046 has 16 divisors (see below), whose sum is σ = 507380454000. Its totient is φ = 143032962528.

The previous prime is 311998707029. The next prime is 311998707067. The reversal of 311998707046 is 640707899113.

It is a super-2 number, since 2×311998707046² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40264416 + ... + 40272163.

It is an arithmetic number, because the mean of its divisors is an integer number (31711278375).

Almost surely, 2^311998707046 is an apocalyptic number.

311998707046 is a deficient number, since it is larger than the sum of its proper divisors (195381746954).

311998707046 is a wasteful number, since it uses less digits than its factorization.

311998707046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80536743.

The product of its (nonzero) digits is 2286144, while the sum is 55.

The spelling of 311998707046 in words is "three hundred eleven billion, nine hundred ninety-eight million, seven hundred seven thousand, forty-six".