311144442032443 has 16 divisors (see below), whose sum is σ = 317026642129920. Its totient is φ = 305310960025344.

The previous prime is 311144442032441. The next prime is 311144442032471. The reversal of 311144442032443 is 344230244441113.

It is a cyclic number.

It is not a de Polignac number, because 311144442032443 - 2¹ = 311144442032441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311144442032396 and 311144442032405.

It is not an unprimeable number, because it can be changed into a prime (311144442032441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398578155 + ... + 399358027.

It is an arithmetic number, because the mean of its divisors is an integer number (19814165133120).

Almost surely, 2^{311144442032443} is an apocalyptic number.

311144442032443 is a deficient number, since it is larger than the sum of its proper divisors (5882200097477).

311144442032443 is a wasteful number, since it uses less digits than its factorization.

311144442032443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811098.

The product of its (nonzero) digits is 442368, while the sum is 40.

Adding to 311144442032443 its reverse (344230244441113), we get a palindrome (655374686473556).

The spelling of 311144442032443 in words is "three hundred eleven trillion, one hundred forty-four billion, four hundred forty-two million, thirty-two thousand, four hundred forty-three".