143212443003431 has 12 divisors (see below), whose sum is σ = 152187996498720. Its totient is φ = 134738789856000.

The previous prime is 143212443003391. The next prime is 143212443003451. The reversal of 143212443003431 is 134300344212341.

It is a de Polignac number, because none of the positive numbers 2^k-143212443003431 is a prime.

It is a super-2 number, since 2×143212443003431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143212443003391 and 143212443003400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143212443003451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90003695 + ... + 91581056.

It is an arithmetic number, because the mean of its divisors is an integer number (12682333041560).

Almost surely, 2^{143212443003431} is an apocalyptic number.

143212443003431 is a deficient number, since it is larger than the sum of its proper divisors (8975553495289).

143212443003431 is a wasteful number, since it uses less digits than its factorization.

143212443003431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181587514 (or 181587497 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 143212443003431 its reverse (134300344212341), we get a palindrome (277512787215772).

The spelling of 143212443003431 in words is "one hundred forty-three trillion, two hundred twelve billion, four hundred forty-three million, three thousand, four hundred thirty-one".