311791773107 has 4 divisors (see below), whose sum is σ = 312511846920. Its totient is φ = 311071699296.

The previous prime is 311791773053. The next prime is 311791773109. The reversal of 311791773107 is 701377197113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311791773107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311791773109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360036257 + ... + 360037122.

It is an arithmetic number, because the mean of its divisors is an integer number (78127961730).

Almost surely, 2^311791773107 is an apocalyptic number.

311791773107 is a deficient number, since it is larger than the sum of its proper divisors (720073813).

311791773107 is an equidigital number, since it uses as much as digits as its factorization.

311791773107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720073812.

The product of its (nonzero) digits is 194481, while the sum is 47.

The spelling of 311791773107 in words is "three hundred eleven billion, seven hundred ninety-one million, seven hundred seventy-three thousand, one hundred seven".