143422143431 has 12 divisors (see below), whose sum is σ = 166857873840. Its totient is φ = 122918624640.

The previous prime is 143422143391. The next prime is 143422143443. The reversal of 143422143431 is 134341224341.

It is not a de Polignac number, because 143422143431 - 2¹⁴ = 143422127047 is a prime.

It is a super-2 number, since 2×143422143431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143452143431) 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 11 ways as a sum of consecutive naturals, for example, 251846 + ... + 591836.

It is an arithmetic number, because the mean of its divisors is an integer number (13904822820).

Almost surely, 2^143422143431 is an apocalyptic number.

143422143431 is a deficient number, since it is larger than the sum of its proper divisors (23435730409).

143422143431 is an equidigital number, since it uses as much as digits as its factorization.

143422143431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348614 (or 348607 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

Adding to 143422143431 its reverse (134341224341), we get a palindrome (277763367772).

The spelling of 143422143431 in words is "one hundred forty-three billion, four hundred twenty-two million, one hundred forty-three thousand, four hundred thirty-one".