343351999999 has 2 divisors, whose sum is σ = 343352000000. Its totient is φ = 343351999998.

The previous prime is 343351999981. The next prime is 343352000023. The reversal of 343351999999 is 999999153343.

It is a weak prime.

It is an emirp because it is prime and its reverse (999999153343) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343351999999 is a prime.

343351999999 is a modest number, since divided by 999999 gives 343351 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343351999979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171675999999 + 171676000000.

It is an arithmetic number, because the mean of its divisors is an integer number (171676000000).

Almost surely, 2^343351999999 is an apocalyptic number.

343351999999 is a deficient number, since it is larger than the sum of its proper divisors (1).

343351999999 is an equidigital number, since it uses as much as digits as its factorization.

343351999999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 286978140, while the sum is 73.

The spelling of 343351999999 in words is "three hundred forty-three billion, three hundred fifty-one million, nine hundred ninety-nine thousand, nine hundred ninety-nine".