1421141431343 has 2 divisors, whose sum is σ = 1421141431344. Its totient is φ = 1421141431342.

The previous prime is 1421141431337. The next prime is 1421141431373. The reversal of 1421141431343 is 3431341411241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1421141431343 - 2⁶ = 1421141431279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421141431373) 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, 710570715671 + 710570715672.

It is an arithmetic number, because the mean of its divisors is an integer number (710570715672).

Almost surely, 2^{1421141431343} is an apocalyptic number.

1421141431343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421141431343 is an equidigital number, since it uses as much as digits as its factorization.

1421141431343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

Adding to 1421141431343 its reverse (3431341411241), we get a palindrome (4852482842584).

The spelling of 1421141431343 in words is "one trillion, four hundred twenty-one billion, one hundred forty-one million, four hundred thirty-one thousand, three hundred forty-three".