311342214 has 32 divisors (see below), whose sum is σ = 652250880. Its totient is φ = 98887712.

The previous prime is 311342201. The next prime is 311342221. The reversal of 311342214 is 412243113.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 32929 + ... + 41315.

It is an arithmetic number, because the mean of its divisors is an integer number (20382840).

Almost surely, 2^311342214 is an apocalyptic number.

311342214 is an abundant number, since it is smaller than the sum of its proper divisors (340908666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311342214 is a wasteful number, since it uses less digits than its factorization.

311342214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8684.

The product of its digits is 576, while the sum is 21.

The square root of 311342214 is about 17644.8920087373. The cubic root of 311342214 is about 677.7653097789.

Adding to 311342214 its reverse (412243113), we get a palindrome (723585327).

The spelling of 311342214 in words is "three hundred eleven million, three hundred forty-two thousand, two hundred fourteen".