144321322121313 has 16 divisors (see below), whose sum is σ = 206221771683456. Its totient is φ = 89543664017280.

The previous prime is 144321322121293. The next prime is 144321322121351. The reversal of 144321322121313 is 313121223123441.

It is not a de Polignac number, because 144321322121313 - 2²⁵ = 144321288566881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144321322121393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28265042908 + ... + 28265048013.

It is an arithmetic number, because the mean of its divisors is an integer number (12888860730216).

Almost surely, 2^{144321322121313} is an apocalyptic number.

It is an amenable number.

144321322121313 is a deficient number, since it is larger than the sum of its proper divisors (61900449562143).

144321322121313 is a wasteful number, since it uses less digits than its factorization.

144321322121313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56530090984.

The product of its digits is 20736, while the sum is 33.

Adding to 144321322121313 its reverse (313121223123441), we get a palindrome (457442545244754).

The spelling of 144321322121313 in words is "one hundred forty-four trillion, three hundred twenty-one billion, three hundred twenty-two million, one hundred twenty-one thousand, three hundred thirteen".