343149071 has 2 divisors, whose sum is σ = 343149072. Its totient is φ = 343149070.

The previous prime is 343149041. The next prime is 343149127. The reversal of 343149071 is 170941343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343149071 - 2⁶ = 343149007 is a prime.

It is equal to p_18455018 and since 343149071 and 18455018 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343149041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171574535 + 171574536.

It is an arithmetic number, because the mean of its divisors is an integer number (171574536).

Almost surely, 2^343149071 is an apocalyptic number.

343149071 is a deficient number, since it is larger than the sum of its proper divisors (1).

343149071 is an equidigital number, since it uses as much as digits as its factorization.

343149071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 343149071 is about 18524.2832789828. The cubic root of 343149071 is about 700.1013941560.

The spelling of 343149071 in words is "three hundred forty-three million, one hundred forty-nine thousand, seventy-one".