343203020351 has 2 divisors, whose sum is σ = 343203020352. Its totient is φ = 343203020350.

The previous prime is 343203020323. The next prime is 343203020383. The reversal of 343203020351 is 153020302343.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343203020351 - 2³⁸ = 68325113407 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 343203020351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343203020551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171601510175 + 171601510176.

It is an arithmetic number, because the mean of its divisors is an integer number (171601510176).

Almost surely, 2^343203020351 is an apocalyptic number.

343203020351 is a deficient number, since it is larger than the sum of its proper divisors (1).

343203020351 is an equidigital number, since it uses as much as digits as its factorization.

343203020351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 343203020351 its reverse (153020302343), we get a palindrome (496223322694).

The spelling of 343203020351 in words is "three hundred forty-three billion, two hundred three million, twenty thousand, three hundred fifty-one".