1431112111343 has 2 divisors, whose sum is σ = 1431112111344. Its totient is φ = 1431112111342.

The previous prime is 1431112111313. The next prime is 1431112111393. The reversal of 1431112111343 is 3431112111341.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1431112111343 - 2¹⁰ = 1431112110319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1431112111313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715556055671 + 715556055672.

It is an arithmetic number, because the mean of its divisors is an integer number (715556055672).

Almost surely, 2^{1431112111343} is an apocalyptic number.

1431112111343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431112111343 is an equidigital number, since it uses as much as digits as its factorization.

1431112111343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 26.

Adding to 1431112111343 its reverse (3431112111341), we get a palindrome (4862224222684).

The spelling of 1431112111343 in words is "one trillion, four hundred thirty-one billion, one hundred twelve million, one hundred eleven thousand, three hundred forty-three".