1421142310343 has 8 divisors (see below), whose sum is σ = 1631860095360. Its totient is φ = 1212348889080.

The previous prime is 1421142310297. The next prime is 1421142310363. The reversal of 1421142310343 is 3430132411241.

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

It is not a de Polignac number, because 1421142310343 - 2¹⁸ = 1421142048199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421142310363) 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, 481089353 + ... + 481092306.

It is an arithmetic number, because the mean of its divisors is an integer number (203982511920).

Almost surely, 2^{1421142310343} is an apocalyptic number.

1421142310343 is a deficient number, since it is larger than the sum of its proper divisors (210717785017).

1421142310343 is an equidigital number, since it uses as much as digits as its factorization.

1421142310343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962181877.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1421142310343 its reverse (3430132411241), we get a palindrome (4851274721584).

The spelling of 1421142310343 in words is "one trillion, four hundred twenty-one billion, one hundred forty-two million, three hundred ten thousand, three hundred forty-three".