3143043420421 has 4 divisors (see below), whose sum is σ = 3143054860192. Its totient is φ = 3143031980652.

The previous prime is 3143043420397. The next prime is 3143043420497. The reversal of 3143043420421 is 1240243403413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3143043420421 - 2²¹ = 3143041323269 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 (3143043420521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5297361 + ... + 5860726.

It is an arithmetic number, because the mean of its divisors is an integer number (785763715048).

Almost surely, 2^{3143043420421} is an apocalyptic number.

It is an amenable number.

3143043420421 is a deficient number, since it is larger than the sum of its proper divisors (11439771).

3143043420421 is a wasteful number, since it uses less digits than its factorization.

3143043420421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11439770.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 3143043420421 its reverse (1240243403413), we get a palindrome (4383286823834).

The spelling of 3143043420421 in words is "three trillion, one hundred forty-three billion, forty-three million, four hundred twenty thousand, four hundred twenty-one".