343128701 has 2 divisors, whose sum is σ = 343128702. Its totient is φ = 343128700.

The previous prime is 343128671. The next prime is 343128707. The reversal of 343128701 is 107821343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235591801 + 107536900 = 15349^2 + 10370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343128701 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343128707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171564350 + 171564351.

It is an arithmetic number, because the mean of its divisors is an integer number (171564351).

Almost surely, 2^343128701 is an apocalyptic number.

It is an amenable number.

343128701 is a deficient number, since it is larger than the sum of its proper divisors (1).

343128701 is an equidigital number, since it uses as much as digits as its factorization.

343128701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 343128701 is about 18523.7334519799. The cubic root of 343128701 is about 700.0875407525.

The spelling of 343128701 in words is "three hundred forty-three million, one hundred twenty-eight thousand, seven hundred one".