144211031 has 4 divisors (see below), whose sum is σ = 144429864. Its totient is φ = 143992200.

The previous prime is 144211019. The next prime is 144211043. The reversal of 144211031 is 130112441.

It is a happy number.

144211031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130112441 = 17 ⋅7653673.

It is an interprime number because it is at equal distance from previous prime (144211019) and next prime (144211043).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144211031 is a prime.

It is a super-2 number, since 2×144211031² = 41593642924165922, which 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 (144211231) 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, 108425 + ... + 109746.

It is an arithmetic number, because the mean of its divisors is an integer number (36107466).

Almost surely, 2^144211031 is an apocalyptic number.

144211031 is a deficient number, since it is larger than the sum of its proper divisors (218833).

144211031 is an equidigital number, since it uses as much as digits as its factorization.

144211031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218832.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 144211031 is about 12008.7897391869. The cubic root of 144211031 is about 524.4041990869.

Adding to 144211031 its reverse (130112441), we get a palindrome (274323472).

The spelling of 144211031 in words is "one hundred forty-four million, two hundred eleven thousand, thirty-one".