340465311 has 12 divisors (see below), whose sum is σ = 492124360. Its totient is φ = 226819440.

The previous prime is 340465309. The next prime is 340465327. The reversal of 340465311 is 113564043.

340465311 is a `hidden beast` number, since 3 + 4 + 0 + 4 + 653 + 1 + 1 = 666.

It is not a de Polignac number, because 340465311 - 2¹ = 340465309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340466311) 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, 1425 + ... + 26133.

Almost surely, 2^340465311 is an apocalyptic number.

340465311 is a deficient number, since it is larger than the sum of its proper divisors (151659049).

340465311 is a wasteful number, since it uses less digits than its factorization.

340465311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26246 (or 26243 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 340465311 is about 18451.7021166070. The cubic root of 340465311 is about 698.2714569089.

The spelling of 340465311 in words is "three hundred forty million, four hundred sixty-five thousand, three hundred eleven".