311434214 has 96 divisors (see below), whose sum is σ = 619799040. Its totient is φ = 114656256.

The previous prime is 311434213. The next prime is 311434223. The reversal of 311434214 is 412434113.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 311434214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311434213) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 3210614 + ... + 3210710.

It is an arithmetic number, because the mean of its divisors is an integer number (6456240).

Almost surely, 2^311434214 is an apocalyptic number.

311434214 is a deficient number, since it is larger than the sum of its proper divisors (308364826).

311434214 is a wasteful number, since it uses less digits than its factorization.

311434214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 201 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 311434214 is about 17647.4988029466. The cubic root of 311434214 is about 677.8320619088.

Adding to 311434214 its reverse (412434113), we get a palindrome (723868327).

The spelling of 311434214 in words is "three hundred eleven million, four hundred thirty-four thousand, two hundred fourteen".