331040214 has 12 divisors (see below), whose sum is σ = 717253836. Its totient is φ = 110346732.

The previous prime is 331040183. The next prime is 331040231. The reversal of 331040214 is 412040133.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 18391123 = 331040214 / (3 + 3 + 1 + 0 + 4 + 0 + 2 + 1 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9195544 + ... + 9195579.

It is an arithmetic number, because the mean of its divisors is an integer number (59771153).

Almost surely, 2^331040214 is an apocalyptic number.

331040214 is an abundant number, since it is smaller than the sum of its proper divisors (386213622).

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

331040214 is a wasteful number, since it uses less digits than its factorization.

331040214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18391131 (or 18391128 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 331040214 is about 18194.5105457663. The cubic root of 331040214 is about 691.7676542405.

Adding to 331040214 its reverse (412040133), we get a palindrome (743080347).

The spelling of 331040214 in words is "three hundred thirty-one million, forty thousand, two hundred fourteen".