144311011432321 has 4 divisors (see below), whose sum is σ = 144311035466052. Its totient is φ = 144310987398592.

The previous prime is 144311011432279. The next prime is 144311011432351. The reversal of 144311011432321 is 123234110113441.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 69997301540721 + 74313709891600 = 8366439^2 + 8620540^2 .

It is a cyclic number.

It is not a de Polignac number, because 144311011432321 - 2⁷ = 144311011432193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144311011432351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5548461 + ... + 17871973.

It is an arithmetic number, because the mean of its divisors is an integer number (36077758866513).

Almost surely, 2^{144311011432321} is an apocalyptic number.

It is an amenable number.

144311011432321 is a deficient number, since it is larger than the sum of its proper divisors (24033731).

144311011432321 is a wasteful number, since it uses less digits than its factorization.

144311011432321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24033730.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 144311011432321 its reverse (123234110113441), we get a palindrome (267545121545762).

The spelling of 144311011432321 in words is "one hundred forty-four trillion, three hundred eleven billion, eleven million, four hundred thirty-two thousand, three hundred twenty-one".