331033412 has 12 divisors (see below), whose sum is σ = 582778560. Its totient is φ = 164525256.

The previous prime is 331033349. The next prime is 331033421. The reversal of 331033412 is 214330133.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247112 + ... + 248447.

It is an arithmetic number, because the mean of its divisors is an integer number (48564880).

Almost surely, 2^331033412 is an apocalyptic number.

It is an amenable number.

331033412 is a deficient number, since it is larger than the sum of its proper divisors (251745148).

331033412 is a wasteful number, since it uses less digits than its factorization.

331033412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495730 (or 495728 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 331033412 is about 18194.3236202943. The cubic root of 331033412 is about 691.7629162100.

Adding to 331033412 its reverse (214330133), we get a palindrome (545363545).

The spelling of 331033412 in words is "three hundred thirty-one million, thirty-three thousand, four hundred twelve".