331109994 has 16 divisors (see below), whose sum is σ = 685055520. Its totient is φ = 106564080.

The previous prime is 331109959. The next prime is 331110049. The reversal of 331109994 is 499901133.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951292 + ... + 951639.

It is an arithmetic number, because the mean of its divisors is an integer number (42815970).

Almost surely, 2^331109994 is an apocalyptic number.

331109994 is an abundant number, since it is smaller than the sum of its proper divisors (353945526).

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

331109994 is a wasteful number, since it uses less digits than its factorization.

331109994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902965.

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 331109994 is about 18196.4280560774. The cubic root of 331109994 is about 691.8162567501.

The spelling of 331109994 in words is "three hundred thirty-one million, one hundred nine thousand, nine hundred ninety-four".