144211213231 has 4 divisors (see below), whose sum is σ = 152694225792. Its totient is φ = 135728200672.

The previous prime is 144211213187. The next prime is 144211213259. The reversal of 144211213231 is 132312112441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132312112441 = 269 ⋅491866589.

It is a cyclic number.

It is not a de Polignac number, because 144211213231 - 2⁷ = 144211213103 is a prime.

It is a super-2 number, since 2×144211213231² (a number of 23 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 = 144211213196 and 144211213205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144211213291) 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, 4241506255 + ... + 4241506288.

It is an arithmetic number, because the mean of its divisors is an integer number (38173556448).

Almost surely, 2^144211213231 is an apocalyptic number.

144211213231 is a deficient number, since it is larger than the sum of its proper divisors (8483012561).

144211213231 is an equidigital number, since it uses as much as digits as its factorization.

144211213231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8483012560.

The product of its digits is 1152, while the sum is 25.

Adding to 144211213231 its reverse (132312112441), we get a palindrome (276523325672).

The spelling of 144211213231 in words is "one hundred forty-four billion, two hundred eleven million, two hundred thirteen thousand, two hundred thirty-one".