2144301531321 has 4 divisors (see below), whose sum is σ = 2859068708432. Its totient is φ = 1429534354212.

The previous prime is 2144301531311. The next prime is 2144301531341. The reversal of 2144301531321 is 1231351034412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2144301531321 - 2⁷ = 2144301531193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144301531301) 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, 357383588551 + ... + 357383588556.

It is an arithmetic number, because the mean of its divisors is an integer number (714767177108).

Almost surely, 2^{2144301531321} is an apocalyptic number.

It is an amenable number.

2144301531321 is a deficient number, since it is larger than the sum of its proper divisors (714767177111).

2144301531321 is an equidigital number, since it uses as much as digits as its factorization.

2144301531321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714767177110.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 2144301531321 its reverse (1231351034412), we get a palindrome (3375652565733).

The spelling of 2144301531321 in words is "two trillion, one hundred forty-four billion, three hundred one million, five hundred thirty-one thousand, three hundred twenty-one".