1331002112 has 144 divisors (see below), whose sum is σ = 3045396480. Its totient is φ = 575078400.

The previous prime is 1331002109. The next prime is 1331002121. The reversal of 1331002112 is 2112001331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6896288 + ... + 6896480.

Almost surely, 2^1331002112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331002112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522698240).

1331002112 is an abundant number, since it is smaller than the sum of its proper divisors (1714394368).

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

1331002112 is a wasteful number, since it uses less digits than its factorization.

1331002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1331002112 is about 36482.9016389870. The cubic root of 1331002112 is about 1100.0005818179. Note that the first 3 decimals are identical.

Adding to 1331002112 its reverse (2112001331), we get a palindrome (3443003443).

The spelling of 1331002112 in words is "one billion, three hundred thirty-one million, two thousand, one hundred twelve".