1224144030311 has 4 divisors (see below), whose sum is σ = 1254001201824. Its totient is φ = 1194286858800.

The previous prime is 1224144030299. The next prime is 1224144030337. The reversal of 1224144030311 is 1130304414221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1224144030311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224144032311) 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 3 ways as a sum of consecutive naturals, for example, 14928585695 + ... + 14928585776.

It is an arithmetic number, because the mean of its divisors is an integer number (313500300456).

Almost surely, 2^{1224144030311} is an apocalyptic number.

1224144030311 is a deficient number, since it is larger than the sum of its proper divisors (29857171513).

1224144030311 is an equidigital number, since it uses as much as digits as its factorization.

1224144030311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29857171512.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1224144030311 its reverse (1130304414221), we get a palindrome (2354448444532).

The spelling of 1224144030311 in words is "one trillion, two hundred twenty-four billion, one hundred forty-four million, thirty thousand, three hundred eleven".