343631400199 has 2 divisors, whose sum is σ = 343631400200. Its totient is φ = 343631400198.

The previous prime is 343631400179. The next prime is 343631400253. The reversal of 343631400199 is 991004136343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343631400199 - 2⁷ = 343631400071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343631400109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171815700099 + 171815700100.

It is an arithmetic number, because the mean of its divisors is an integer number (171815700100).

Almost surely, 2^343631400199 is an apocalyptic number.

343631400199 is a deficient number, since it is larger than the sum of its proper divisors (1).

343631400199 is an equidigital number, since it uses as much as digits as its factorization.

343631400199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 343631400199 in words is "three hundred forty-three billion, six hundred thirty-one million, four hundred thousand, one hundred ninety-nine".