144440000031 has 4 divisors (see below), whose sum is σ = 192586666712. Its totient is φ = 96293333352.

The previous prime is 144439999973. The next prime is 144440000039. The reversal of 144440000031 is 130000044441.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 144440000031 - 2⁷ = 144439999903 is a prime.

It is a super-2 number, since 2×144440000031² (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 = 144439999962 and 144440000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144440000039) 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, 24073333336 + ... + 24073333341.

It is an arithmetic number, because the mean of its divisors is an integer number (48146666678).

Almost surely, 2^144440000031 is an apocalyptic number.

144440000031 is a deficient number, since it is larger than the sum of its proper divisors (48146666681).

144440000031 is an equidigital number, since it uses as much as digits as its factorization.

144440000031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48146666680.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 144440000031 its reverse (130000044441), we get a palindrome (274440044472).

The spelling of 144440000031 in words is "one hundred forty-four billion, four hundred forty million, thirty-one", and thus it is an aban number.