143444021431 has 2 divisors, whose sum is σ = 143444021432. Its totient is φ = 143444021430.

The previous prime is 143444021411. The next prime is 143444021449. The reversal of 143444021431 is 134120444341.

143444021431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143444021431 - 2¹³ = 143444013239 is a prime.

It is a super-2 number, since 2×143444021431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143444021393 and 143444021402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143444021411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71722010715 + 71722010716.

It is an arithmetic number, because the mean of its divisors is an integer number (71722010716).

Almost surely, 2^143444021431 is an apocalyptic number.

143444021431 is a deficient number, since it is larger than the sum of its proper divisors (1).

143444021431 is an equidigital number, since it uses as much as digits as its factorization.

143444021431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 143444021431 its reverse (134120444341), we get a palindrome (277564465772).

The spelling of 143444021431 in words is "one hundred forty-three billion, four hundred forty-four million, twenty-one thousand, four hundred thirty-one".