311043242243 has 8 divisors (see below), whose sum is σ = 314371804560. Its totient is φ = 307723315680.

The previous prime is 311043242231. The next prime is 311043242261. The reversal of 311043242243 is 342242340113.

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 311043242243 - 2¹⁸ = 311042980099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311043242203) 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, 2086505 + ... + 2230602.

It is an arithmetic number, because the mean of its divisors is an integer number (39296475570).

Almost surely, 2^311043242243 is an apocalyptic number.

311043242243 is a deficient number, since it is larger than the sum of its proper divisors (3328562317).

311043242243 is a wasteful number, since it uses less digits than its factorization.

311043242243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4317877.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 311043242243 its reverse (342242340113), we get a palindrome (653285582356).

The spelling of 311043242243 in words is "three hundred eleven billion, forty-three million, two hundred forty-two thousand, two hundred forty-three".