144311213310021 has 32 divisors (see below), whose sum is σ = 220382848320000. Its totient is φ = 93261859030080.

The previous prime is 144311213310001. The next prime is 144311213310097. The reversal of 144311213310021 is 120013312113441.

144311213310021 is a `hidden beast` number, since 1 + 4 + 4 + 311 + 2 + 13 + 310 + 0 + 21 = 666.

It is not a de Polignac number, because 144311213310021 - 2¹⁷ = 144311213178949 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 (144311213310001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266252646 + ... + 266794103.

It is an arithmetic number, because the mean of its divisors is an integer number (6886964010000).

Almost surely, 2^{144311213310021} is an apocalyptic number.

It is an amenable number.

144311213310021 is a deficient number, since it is larger than the sum of its proper divisors (76071635009979).

144311213310021 is a wasteful number, since it uses less digits than its factorization.

144311213310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533047066 (or 533047060 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 144311213310021 its reverse (120013312113441), we get a palindrome (264324525423462).

The spelling of 144311213310021 in words is "one hundred forty-four trillion, three hundred eleven billion, two hundred thirteen million, three hundred ten thousand, twenty-one".