340232311 has 4 divisors (see below), whose sum is σ = 342013824. Its totient is φ = 338450800.

The previous prime is 340232303. The next prime is 340232327. The reversal of 340232311 is 113232043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340232311 - 2³ = 340232303 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 (340232351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890470 + ... + 890851.

It is an arithmetic number, because the mean of its divisors is an integer number (85503456).

Almost surely, 2^340232311 is an apocalyptic number.

340232311 is a deficient number, since it is larger than the sum of its proper divisors (1781513).

340232311 is a wasteful number, since it uses less digits than its factorization.

340232311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781512.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 340232311 is about 18445.3872553547. The cubic root of 340232311 is about 698.1121314479.

Adding to 340232311 its reverse (113232043), we get a palindrome (453464354).

The spelling of 340232311 in words is "three hundred forty million, two hundred thirty-two thousand, three hundred eleven".