2144350431242 has 8 divisors (see below), whose sum is σ = 3225637618596. Its totient is φ = 1069137891712.

The previous prime is 2144350431241. The next prime is 2144350431313. The reversal of 2144350431242 is 2421340534412.

It can be written as a sum of positive squares in 2 ways, for example, as 1820715736921 + 323634694321 = 1349339^2 + 568889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2144350431241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1518661073 + ... + 1518662484.

Almost surely, 2^{2144350431242} is an apocalyptic number.

2144350431242 is a deficient number, since it is larger than the sum of its proper divisors (1081287187354).

2144350431242 is a wasteful number, since it uses less digits than its factorization.

2144350431242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037323912.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 2144350431242 its reverse (2421340534412), we get a palindrome (4565690965654).

The spelling of 2144350431242 in words is "two trillion, one hundred forty-four billion, three hundred fifty million, four hundred thirty-one thousand, two hundred forty-two".