344071081 has 2 divisors, whose sum is σ = 344071082. Its totient is φ = 344071080.

The previous prime is 344071069. The next prime is 344071087. The reversal of 344071081 is 180170443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320983056 + 23088025 = 17916^2 + 4805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344071081 is a prime.

It is a super-2 number, since 2×344071081² = 236769817561017122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (344071087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172035540 + 172035541.

It is an arithmetic number, because the mean of its divisors is an integer number (172035541).

Almost surely, 2^344071081 is an apocalyptic number.

It is an amenable number.

344071081 is a deficient number, since it is larger than the sum of its proper divisors (1).

344071081 is an equidigital number, since it uses as much as digits as its factorization.

344071081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 344071081 is about 18549.1531073524. The cubic root of 344071081 is about 700.7278694199.

The spelling of 344071081 in words is "three hundred forty-four million, seventy-one thousand, eighty-one".