143143324421431 has 16 divisors (see below), whose sum is σ = 144576132599808. Its totient is φ = 141717639290400.

The previous prime is 143143324421429. The next prime is 143143324421441. The reversal of 143143324421431 is 134124423341341.

It is a cyclic number.

It is not a de Polignac number, because 143143324421431 - 2¹ = 143143324421429 is a prime.

It is a super-2 number, since 2×143143324421431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143143324421401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843965446 + ... + 844135036.

It is an arithmetic number, because the mean of its divisors is an integer number (9036008287488).

Almost surely, 2^{143143324421431} is an apocalyptic number.

143143324421431 is a deficient number, since it is larger than the sum of its proper divisors (1432808178377).

143143324421431 is a wasteful number, since it uses less digits than its factorization.

143143324421431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190542.

The product of its digits is 331776, while the sum is 40.

Adding to 143143324421431 its reverse (134124423341341), we get a palindrome (277267747762772).

The spelling of 143143324421431 in words is "one hundred forty-three trillion, one hundred forty-three billion, three hundred twenty-four million, four hundred twenty-one thousand, four hundred thirty-one".