343413881 has 2 divisors, whose sum is σ = 343413882. Its totient is φ = 343413880.

The previous prime is 343413841. The next prime is 343413899. The reversal of 343413881 is 188314343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341658256 + 1755625 = 18484^2 + 1325^2 .

It is a cyclic number.

It is not a de Polignac number, because 343413881 - 2¹⁰ = 343412857 is a prime.

It is a super-2 number, since 2×343413881² = 235866187326964322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (343413841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171706940 + 171706941.

It is an arithmetic number, because the mean of its divisors is an integer number (171706941).

Almost surely, 2^343413881 is an apocalyptic number.

It is an amenable number.

343413881 is a deficient number, since it is larger than the sum of its proper divisors (1).

343413881 is an equidigital number, since it uses as much as digits as its factorization.

343413881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 35.

The square root of 343413881 is about 18531.4295455046. The cubic root of 343413881 is about 700.2814385317.

The spelling of 343413881 in words is "three hundred forty-three million, four hundred thirteen thousand, eight hundred eighty-one".