1444320141231 has 16 divisors (see below), whose sum is σ = 2100921424128. Its totient is φ = 875307153600.

The previous prime is 1444320141227. The next prime is 1444320141233. The reversal of 1444320141231 is 1321410234441.

It is a happy number.

It is not a de Polignac number, because 1444320141231 - 2² = 1444320141227 is a prime.

It is a super-2 number, since 2×1444320141231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444320141233) 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 15 ways as a sum of consecutive naturals, for example, 186451 + ... + 1709796.

It is an arithmetic number, because the mean of its divisors is an integer number (131307589008).

Almost surely, 2^{1444320141231} is an apocalyptic number.

1444320141231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1444320141231 is a deficient number, since it is larger than the sum of its proper divisors (656601282897).

1444320141231 is a wasteful number, since it uses less digits than its factorization.

1444320141231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919342.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 1444320141231 its reverse (1321410234441), we get a palindrome (2765730375672).

The spelling of 1444320141231 in words is "one trillion, four hundred forty-four billion, three hundred twenty million, one hundred forty-one thousand, two hundred thirty-one".