1331302112 has 24 divisors (see below), whose sum is σ = 2995430256. Its totient is φ = 570557952.

The previous prime is 1331302111. The next prime is 1331302117. The reversal of 1331302112 is 2112031331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331302111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2971433 + ... + 2971880.

It is an arithmetic number, because the mean of its divisors is an integer number (124809594).

Almost surely, 2^1331302112 is an apocalyptic number.

It is an amenable number.

1331302112 is an abundant number, since it is smaller than the sum of its proper divisors (1664128144).

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

1331302112 is an equidigital number, since it uses as much as digits as its factorization.

1331302112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5943330 (or 5943322 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1331302112 is about 36487.0129224084. The cubic root of 1331302112 is about 1100.0832201501.

Adding to 1331302112 its reverse (2112031331), we get a palindrome (3443333443).

The spelling of 1331302112 in words is "one billion, three hundred thirty-one million, three hundred two thousand, one hundred twelve".