144240331311 has 40 divisors (see below), whose sum is σ = 218201727744. Its totient is φ = 94942607760.

The previous prime is 144240331297. The next prime is 144240331327. The reversal of 144240331311 is 113133042441.

144240331311 is a `hidden beast` number, since 14 + 4 + 2 + 4 + 0 + 331 + 311 = 666.

It is not a de Polignac number, because 144240331311 - 2²¹ = 144238234159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144240331351) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12573000 + ... + 12584466.

Almost surely, 2^144240331311 is an apocalyptic number.

144240331311 is a deficient number, since it is larger than the sum of its proper divisors (73961396433).

144240331311 is a wasteful number, since it uses less digits than its factorization.

144240331311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13433 (or 13424 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 144240331311 its reverse (113133042441), we get a palindrome (257373373752).

The spelling of 144240331311 in words is "one hundred forty-four billion, two hundred forty million, three hundred thirty-one thousand, three hundred eleven".