343031873 has 2 divisors, whose sum is σ = 343031874. Its totient is φ = 343031872.

The previous prime is 343031869. The next prime is 343031881. The reversal of 343031873 is 378130343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342546064 + 485809 = 18508^2 + 697^2 .

It is a cyclic number.

It is not a de Polignac number, because 343031873 - 2² = 343031869 is a prime.

It is not a weakly prime, because it can be changed into another prime (343031863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171515936 + 171515937.

It is an arithmetic number, because the mean of its divisors is an integer number (171515937).

Almost surely, 2^343031873 is an apocalyptic number.

It is an amenable number.

343031873 is a deficient number, since it is larger than the sum of its proper divisors (1).

343031873 is an equidigital number, since it uses as much as digits as its factorization.

343031873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 343031873 is about 18521.1196475807. The cubic root of 343031873 is about 700.0216816414.

The spelling of 343031873 in words is "three hundred forty-three million, thirty-one thousand, eight hundred seventy-three".