331003012 has 12 divisors (see below), whose sum is σ = 581786380. Its totient is φ = 164778336.

The previous prime is 331003007. The next prime is 331003033. The reversal of 331003012 is 210300133.

It can be written as a sum of positive squares in 2 ways, for example, as 213627456 + 117375556 = 14616^2 + 10834^2 .

It is a junction number, because it is equal to n+sod(n) for n = 331002983 and 331003001.

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, 179763 + ... + 181594.

Almost surely, 2^331003012 is an apocalyptic number.

It is an amenable number.

331003012 is a deficient number, since it is larger than the sum of its proper divisors (250783368).

331003012 is a wasteful number, since it uses less digits than its factorization.

331003012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361590 (or 361588 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 331003012 is about 18193.4881757183. The cubic root of 331003012 is about 691.7417398618.

Adding to 331003012 its reverse (210300133), we get a palindrome (541303145).

The spelling of 331003012 in words is "three hundred thirty-one million, three thousand, twelve".