343143341421 has 4 divisors (see below), whose sum is σ = 457524455232. Its totient is φ = 228762227612.

The previous prime is 343143341407. The next prime is 343143341441. The reversal of 343143341421 is 124143341343.

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 343143341421 - 2⁵ = 343143341389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343143341441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57190556901 + ... + 57190556906.

It is an arithmetic number, because the mean of its divisors is an integer number (114381113808).

Almost surely, 2^343143341421 is an apocalyptic number.

It is an amenable number.

343143341421 is a deficient number, since it is larger than the sum of its proper divisors (114381113811).

343143341421 is a wasteful number, since it uses less digits than its factorization.

343143341421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114381113810.

The product of its digits is 41472, while the sum is 33.

Adding to 343143341421 its reverse (124143341343), we get a palindrome (467286682764).

The spelling of 343143341421 in words is "three hundred forty-three billion, one hundred forty-three million, three hundred forty-one thousand, four hundred twenty-one".