311775040244 has 24 divisors (see below), whose sum is σ = 556318039200. Its totient is φ = 152840973600.

The previous prime is 311775040231. The next prime is 311775040271. The reversal of 311775040244 is 442040577113.

It is a junction number, because it is equal to n+sod(n) for n = 311775040198 and 311775040207.

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, 1653407 + ... + 1832294.

It is an arithmetic number, because the mean of its divisors is an integer number (23179918300).

Almost surely, 2^311775040244 is an apocalyptic number.

It is an amenable number.

311775040244 is a deficient number, since it is larger than the sum of its proper divisors (244542998956).

311775040244 is a wasteful number, since it uses less digits than its factorization.

311775040244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486143 (or 3486141 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 311775040244 in words is "three hundred eleven billion, seven hundred seventy-five million, forty thousand, two hundred forty-four".