343430221343 has 4 divisors (see below), whose sum is σ = 374651150568. Its totient is φ = 312209292120.

The previous prime is 343430221339. The next prime is 343430221349. The reversal of 343430221343 is 343122034343.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 343430221343 - 2² = 343430221339 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 (343430221349) 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, 15610464596 + ... + 15610464617.

It is an arithmetic number, because the mean of its divisors is an integer number (93662787642).

Almost surely, 2^343430221343 is an apocalyptic number.

343430221343 is a deficient number, since it is larger than the sum of its proper divisors (31220929225).

343430221343 is a wasteful number, since it uses less digits than its factorization.

343430221343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31220929224.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 343430221343 its reverse (343122034343), we get a palindrome (686552255686).

The spelling of 343430221343 in words is "three hundred forty-three billion, four hundred thirty million, two hundred twenty-one thousand, three hundred forty-three".