144421311131 has 8 divisors (see below), whose sum is σ = 152981219664. Its totient is φ = 135868573440.

The previous prime is 144421311107. The next prime is 144421311137. The reversal of 144421311131 is 131113124441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144421311131 - 2¹⁰ = 144421310107 is a prime.

It is a super-2 number, since 2×144421311131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144421311131.

It is not an unprimeable number, because it can be changed into a prime (144421311137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1751210 + ... + 1831823.

It is an arithmetic number, because the mean of its divisors is an integer number (19122652458).

Almost surely, 2^144421311131 is an apocalyptic number.

144421311131 is a deficient number, since it is larger than the sum of its proper divisors (8559908533).

144421311131 is a wasteful number, since it uses less digits than its factorization.

144421311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585421.

The product of its digits is 1152, while the sum is 26.

Adding to 144421311131 its reverse (131113124441), we get a palindrome (275534435572).

The spelling of 144421311131 in words is "one hundred forty-four billion, four hundred twenty-one million, three hundred eleven thousand, one hundred thirty-one".