331043012 has 12 divisors (see below), whose sum is σ = 581214480. Its totient is φ = 164981736.

The previous prime is 331043003. The next prime is 331043021. The reversal of 331043012 is 210340133.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (331043003) and next prime (331043021).

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, 133562 + ... + 136017.

It is an arithmetic number, because the mean of its divisors is an integer number (48434540).

Almost surely, 2^331043012 is an apocalyptic number.

It is an amenable number.

331043012 is a deficient number, since it is larger than the sum of its proper divisors (250171468).

331043012 is a wasteful number, since it uses less digits than its factorization.

331043012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269890 (or 269888 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 331043012 is about 18194.5874369275. The cubic root of 331043012 is about 691.7696032086.

Adding to 331043012 its reverse (210340133), we get a palindrome (541383145).

The spelling of 331043012 in words is "three hundred thirty-one million, forty-three thousand, twelve".