311546048243 has 2 divisors, whose sum is σ = 311546048244. Its totient is φ = 311546048242.

The previous prime is 311546048179. The next prime is 311546048251. The reversal of 311546048243 is 342840645113.

It is a strong prime.

It is an emirp because it is prime and its reverse (342840645113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311546048243 - 2⁶ = 311546048179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311546048243.

It is not a weakly prime, because it can be changed into another prime (311546248243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155773024121 + 155773024122.

It is an arithmetic number, because the mean of its divisors is an integer number (155773024122).

Almost surely, 2^311546048243 is an apocalyptic number.

311546048243 is a deficient number, since it is larger than the sum of its proper divisors (1).

311546048243 is an equidigital number, since it uses as much as digits as its factorization.

311546048243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 311546048243 in words is "three hundred eleven billion, five hundred forty-six million, forty-eight thousand, two hundred forty-three".