2144403344231 has 8 divisors (see below), whose sum is σ = 2197059464544. Its totient is φ = 2091764062080.

The previous prime is 2144403344227. The next prime is 2144403344257. The reversal of 2144403344231 is 1324433044412.

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 2144403344231 - 2² = 2144403344227 is a prime.

It is a super-2 number, since 2×2144403344231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2144403344191 and 2144403344200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144403344201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3951515 + ... + 4461308.

It is an arithmetic number, because the mean of its divisors is an integer number (274632433068).

Almost surely, 2^{2144403344231} is an apocalyptic number.

2144403344231 is a deficient number, since it is larger than the sum of its proper divisors (52656120313).

2144403344231 is an equidigital number, since it uses as much as digits as its factorization.

2144403344231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8419081.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 2144403344231 its reverse (1324433044412), we get a palindrome (3468836388643).

The spelling of 2144403344231 in words is "two trillion, one hundred forty-four billion, four hundred three million, three hundred forty-four thousand, two hundred thirty-one".