144344031431 has 4 divisors (see below), whose sum is σ = 144346994832. Its totient is φ = 144341068032.

The previous prime is 144344031407. The next prime is 144344031439. The reversal of 144344031431 is 134130443441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134130443441 = 139 ⋅964967219.

It is a cyclic number.

It is not a de Polignac number, because 144344031431 - 2³⁰ = 143270289607 is a prime.

It is a super-2 number, since 2×144344031431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144344031439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407395 + ... + 1506468.

It is an arithmetic number, because the mean of its divisors is an integer number (36086748708).

Almost surely, 2^144344031431 is an apocalyptic number.

144344031431 is a deficient number, since it is larger than the sum of its proper divisors (2963401).

144344031431 is an equidigital number, since it uses as much as digits as its factorization.

144344031431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963400.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 144344031431 its reverse (134130443441), we get a palindrome (278474474872).

The spelling of 144344031431 in words is "one hundred forty-four billion, three hundred forty-four million, thirty-one thousand, four hundred thirty-one".