1331003212 has 24 divisors (see below), whose sum is σ = 2904007680. Its totient is φ = 518572560.

The previous prime is 1331003207. The next prime is 1331003237. The reversal of 1331003212 is 2123001331.

It is an unprimeable number.

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, 2160412 + ... + 2161027.

It is an arithmetic number, because the mean of its divisors is an integer number (121000320).

Almost surely, 2^1331003212 is an apocalyptic number.

It is an amenable number.

1331003212 is an abundant number, since it is smaller than the sum of its proper divisors (1573004468).

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

1331003212 is a wasteful number, since it uses less digits than its factorization.

1331003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321461 (or 4321459 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1331003212 is about 36482.9167145391. The cubic root of 1331003212 is about 1100.0008848478. Note that the first 3 decimals are identical.

Adding to 1331003212 its reverse (2123001331), we get a palindrome (3454004543).

The spelling of 1331003212 in words is "one billion, three hundred thirty-one million, three thousand, two hundred twelve".