343315345 has 16 divisors (see below), whose sum is σ = 423838800. Its totient is φ = 266803200.

The previous prime is 343315339. The next prime is 343315367. The reversal of 343315345 is 543513343.

It can be written as a sum of positive squares in 8 ways, for example, as 28561 + 343286784 = 169^2 + 18528^2 .

It is not a de Polignac number, because 343315345 - 2⁹ = 343314833 is a prime.

It is a super-2 number, since 2×343315345² = 235730852224938050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45931 + ... + 52879.

It is an arithmetic number, because the mean of its divisors is an integer number (26489925).

Almost surely, 2^343315345 is an apocalyptic number.

It is an amenable number.

343315345 is a deficient number, since it is larger than the sum of its proper divisors (80523455).

343315345 is a wasteful number, since it uses less digits than its factorization.

343315345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7236.

The product of its digits is 32400, while the sum is 31.

The square root of 343315345 is about 18528.7707363441. The cubic root of 343315345 is about 700.2144547003.

Adding to 343315345 its reverse (543513343), we get a palindrome (886828688).

The spelling of 343315345 in words is "three hundred forty-three million, three hundred fifteen thousand, three hundred forty-five".