311103124243 has 8 divisors (see below), whose sum is σ = 340029221760. Its totient is φ = 283357683840.

The previous prime is 311103124229. The next prime is 311103124259. The reversal of 311103124243 is 342421301113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311103124243 - 2²¹ = 311101027091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311103124273) 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 7 ways as a sum of consecutive naturals, for example, 295163728 + ... + 295164781.

It is an arithmetic number, because the mean of its divisors is an integer number (42503652720).

Almost surely, 2^311103124243 is an apocalyptic number.

311103124243 is a deficient number, since it is larger than the sum of its proper divisors (28926097517).

311103124243 is a wasteful number, since it uses less digits than its factorization.

311103124243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590328557.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 311103124243 its reverse (342421301113), we get a palindrome (653524425356).

The spelling of 311103124243 in words is "three hundred eleven billion, one hundred three million, one hundred twenty-four thousand, two hundred forty-three".