1331012352 has 72 divisors (see below), whose sum is σ = 3595445056. Its totient is φ = 437031936.

The previous prime is 1331012351. The next prime is 1331012357. The reversal of 1331012352 is 2532101331.

It is not an unprimeable number, because it can be changed into a prime (1331012351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38523 + ... + 64389.

Almost surely, 2^1331012352 is an apocalyptic number.

1331012352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331012352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797722528).

1331012352 is an abundant number, since it is smaller than the sum of its proper divisors (2264432704).

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

1331012352 is an equidigital number, since it uses as much as digits as its factorization.

1331012352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25953 (or 25939 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1331012352 is about 36483.0419784316. The cubic root of 1331012352 is about 1100.0034027443.

Adding to 1331012352 its reverse (2532101331), we get a palindrome (3863113683).

The spelling of 1331012352 in words is "one billion, three hundred thirty-one million, twelve thousand, three hundred fifty-two".