144020011331 has 4 divisors (see below), whose sum is σ = 164594298672. Its totient is φ = 123445723992.

The previous prime is 144020011313. The next prime is 144020011339. The reversal of 144020011331 is 133110020441.

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

It is a cyclic number.

It is not a de Polignac number, because 144020011331 - 2¹⁴ = 144019994947 is a prime.

It is a super-3 number, since 3×144020011331³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144020011339) 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, 10287143660 + ... + 10287143673.

It is an arithmetic number, because the mean of its divisors is an integer number (41148574668).

Almost surely, 2^144020011331 is an apocalyptic number.

144020011331 is a deficient number, since it is larger than the sum of its proper divisors (20574287341).

144020011331 is an equidigital number, since it uses as much as digits as its factorization.

144020011331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20574287340.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 144020011331 its reverse (133110020441), we get a palindrome (277130031772).

The spelling of 144020011331 in words is "one hundred forty-four billion, twenty million, eleven thousand, three hundred thirty-one".