340311212 has 6 divisors (see below), whose sum is σ = 595544628. Its totient is φ = 170155604.

The previous prime is 340311187. The next prime is 340311221. The reversal of 340311212 is 212113043.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42538898 + ... + 42538905.

It is an arithmetic number, because the mean of its divisors is an integer number (99257438).

Almost surely, 2^340311212 is an apocalyptic number.

It is an amenable number.

340311212 is a deficient number, since it is larger than the sum of its proper divisors (255233416).

340311212 is a wasteful number, since it uses less digits than its factorization.

340311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85077807 (or 85077805 counting only the distinct ones).

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

The square root of 340311212 is about 18447.5259045759. The cubic root of 340311212 is about 698.1660921155.

Adding to 340311212 its reverse (212113043), we get a palindrome (552424255).

The spelling of 340311212 in words is "three hundred forty million, three hundred eleven thousand, two hundred twelve".