343400377351 has 2 divisors, whose sum is σ = 343400377352. Its totient is φ = 343400377350.

The previous prime is 343400377339. The next prime is 343400377373. The reversal of 343400377351 is 153773004343.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343400377351 - 2¹⁵ = 343400344583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343400377051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171700188675 + 171700188676.

It is an arithmetic number, because the mean of its divisors is an integer number (171700188676).

Almost surely, 2^343400377351 is an apocalyptic number.

343400377351 is a deficient number, since it is larger than the sum of its proper divisors (1).

343400377351 is an equidigital number, since it uses as much as digits as its factorization.

343400377351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 40.

The spelling of 343400377351 in words is "three hundred forty-three billion, four hundred million, three hundred seventy-seven thousand, three hundred fifty-one".