144312031 has 16 divisors (see below), whose sum is σ = 156150720. Its totient is φ = 132871680.

The previous prime is 144312019. The next prime is 144312061. The reversal of 144312031 is 130213441.

144312031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 144312031 - 2¹¹ = 144309983 is a prime.

It is a super-2 number, since 2×144312031² = 41651924582689922, 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 (144312001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328510 + ... + 328948.

It is an arithmetic number, because the mean of its divisors is an integer number (9759420).

Almost surely, 2^144312031 is an apocalyptic number.

144312031 is a deficient number, since it is larger than the sum of its proper divisors (11838689).

144312031 is a wasteful number, since it uses less digits than its factorization.

144312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 144312031 is about 12012.9942562211. The cubic root of 144312031 is about 524.5265948650.

Adding to 144312031 its reverse (130213441), we get a palindrome (274525472).

The spelling of 144312031 in words is "one hundred forty-four million, three hundred twelve thousand, thirty-one".