143443220431 has 8 divisors (see below), whose sum is σ = 163980764064. Its totient is φ = 122917090560.

The previous prime is 143443220407. The next prime is 143443220467. The reversal of 143443220431 is 134022344341.

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

It is a cyclic number.

It is not a de Polignac number, because 143443220431 - 2⁷ = 143443220303 is a prime.

It is a super-2 number, since 2×143443220431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143443220393 and 143443220402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143443220471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2826490 + ... + 2876791.

It is an arithmetic number, because the mean of its divisors is an integer number (20497595508).

Almost surely, 2^143443220431 is an apocalyptic number.

143443220431 is a deficient number, since it is larger than the sum of its proper divisors (20537543633).

143443220431 is an equidigital number, since it uses as much as digits as its factorization.

143443220431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5706881.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 143443220431 its reverse (134022344341), we get a palindrome (277465564772).

The spelling of 143443220431 in words is "one hundred forty-three billion, four hundred forty-three million, two hundred twenty thousand, four hundred thirty-one".