144321311231312 has 40 divisors (see below), whose sum is σ = 288687877674240. Its totient is φ = 69821943690240.

The previous prime is 144321311231297. The next prime is 144321311231329. The reversal of 144321311231312 is 213132113123441.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19642913 + ... + 25970880.

It is an arithmetic number, because the mean of its divisors is an integer number (7217196941856).

Almost surely, 2^{144321311231312} is an apocalyptic number.

It is an amenable number.

144321311231312 is an abundant number, since it is smaller than the sum of its proper divisors (144366566442928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144321311231312 is a wasteful number, since it uses less digits than its factorization.

144321311231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45620211 (or 45620205 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

Adding to 144321311231312 its reverse (213132113123441), we get a palindrome (357453424354753).

The spelling of 144321311231312 in words is "one hundred forty-four trillion, three hundred twenty-one billion, three hundred eleven million, two hundred thirty-one thousand, three hundred twelve".