343377081 has 12 divisors (see below), whose sum is σ = 513092580. Its totient is φ = 221024160.

The previous prime is 343377043. The next prime is 343377119. The reversal of 343377081 is 180773343.

It is an interprime number because it is at equal distance from previous prime (343377043) and next prime (343377119).

It can be written as a sum of positive squares in 2 ways, for example, as 222487056 + 120890025 = 14916^2 + 10995^2 .

It is not a de Polignac number, because 343377081 - 2¹⁹ = 342852793 is a prime.

It is a super-2 number, since 2×343377081² = 235815639512161122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (343377011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 657550 + ... + 658071.

It is an arithmetic number, because the mean of its divisors is an integer number (42757715).

Almost surely, 2^343377081 is an apocalyptic number.

It is an amenable number.

343377081 is a deficient number, since it is larger than the sum of its proper divisors (169715499).

343377081 is a wasteful number, since it uses less digits than its factorization.

343377081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315656 (or 1315653 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 343377081 is about 18530.4366111541. The cubic root of 343377081 is about 700.2564237426.

The spelling of 343377081 in words is "three hundred forty-three million, three hundred seventy-seven thousand, eighty-one".