311118007 has 2 divisors, whose sum is σ = 311118008. Its totient is φ = 311118006.

The previous prime is 311117981. The next prime is 311118047. The reversal of 311118007 is 700811113.

It is a weak prime.

It is an emirp because it is prime and its reverse (700811113) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311118007 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311118047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155559003 + 155559004.

It is an arithmetic number, because the mean of its divisors is an integer number (155559004).

Almost surely, 2^311118007 is an apocalyptic number.

311118007 is a deficient number, since it is larger than the sum of its proper divisors (1).

311118007 is an equidigital number, since it uses as much as digits as its factorization.

311118007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 22.

The square root of 311118007 is about 17638.5375527565. The cubic root of 311118007 is about 677.6025775703.

The spelling of 311118007 in words is "three hundred eleven million, one hundred eighteen thousand, seven".