143244244431311 has 8 divisors (see below), whose sum is σ = 143261250963360. Its totient is φ = 143227238499072.

The previous prime is 143244244431289. The next prime is 143244244431319. The reversal of 143244244431311 is 113134442442341.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143244244431311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143244244431319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627866486 + ... + 628094588.

It is an arithmetic number, because the mean of its divisors is an integer number (17907656370420).

Almost surely, 2^{143244244431311} is an apocalyptic number.

143244244431311 is a deficient number, since it is larger than the sum of its proper divisors (17006532049).

143244244431311 is a wasteful number, since it uses less digits than its factorization.

143244244431311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299905.

The product of its digits is 442368, while the sum is 41.

Adding to 143244244431311 its reverse (113134442442341), we get a palindrome (256378686873652).

The spelling of 143244244431311 in words is "one hundred forty-three trillion, two hundred forty-four billion, two hundred forty-four million, four hundred thirty-one thousand, three hundred eleven".