331218074 has 16 divisors (see below), whose sum is σ = 559478016. Its totient is φ = 145696800.

The previous prime is 331218073. The next prime is 331218079. The reversal of 331218074 is 470812133.

It is not an unprimeable number, because it can be changed into a prime (331218073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242147 + ... + 243510.

It is an arithmetic number, because the mean of its divisors is an integer number (34967376).

Almost surely, 2^331218074 is an apocalyptic number.

331218074 is a deficient number, since it is larger than the sum of its proper divisors (228259942).

331218074 is a wasteful number, since it uses less digits than its factorization.

331218074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485701.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 331218074 is about 18199.3976273942. The cubic root of 331218074 is about 691.8915221385.

The spelling of 331218074 in words is "three hundred thirty-one million, two hundred eighteen thousand, seventy-four".