340232111 has 4 divisors (see below), whose sum is σ = 342911232. Its totient is φ = 337552992.

The previous prime is 340232083. The next prime is 340232129. The reversal of 340232111 is 111232043.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340232111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340232111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340232911) 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, 1339370 + ... + 1339623.

It is an arithmetic number, because the mean of its divisors is an integer number (85727808).

Almost surely, 2^340232111 is an apocalyptic number.

340232111 is a deficient number, since it is larger than the sum of its proper divisors (2679121).

340232111 is a wasteful number, since it uses less digits than its factorization.

340232111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2679120.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 340232111 is about 18445.3818339442. The cubic root of 340232111 is about 698.1119946566. Note that the first 3 decimals are identical.

Adding to 340232111 its reverse (111232043), we get a palindrome (451464154).

The spelling of 340232111 in words is "three hundred forty million, two hundred thirty-two thousand, one hundred eleven".