144140023031 has 4 divisors (see below), whose sum is σ = 144175626000. Its totient is φ = 144104420064.

The previous prime is 144140023007. The next prime is 144140023087. The reversal of 144140023031 is 130320041441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130320041441 = 197 ⋅661523053.

It is a cyclic number.

It is not a de Polignac number, because 144140023031 - 2¹⁸ = 144139760887 is a prime.

It is a super-2 number, since 2×144140023031² (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 = 144140022988 and 144140023006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144140023231) 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, 17795411 + ... + 17803508.

It is an arithmetic number, because the mean of its divisors is an integer number (36043906500).

Almost surely, 2^144140023031 is an apocalyptic number.

144140023031 is a deficient number, since it is larger than the sum of its proper divisors (35602969).

144140023031 is an equidigital number, since it uses as much as digits as its factorization.

144140023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35602968.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 144140023031 its reverse (130320041441), we get a palindrome (274460064472).

The spelling of 144140023031 in words is "one hundred forty-four billion, one hundred forty million, twenty-three thousand, thirty-one".