1331433332 has 6 divisors (see below), whose sum is σ = 2330008338. Its totient is φ = 665716664.

The previous prime is 1331433331. The next prime is 1331433359. The reversal of 1331433332 is 2333341331.

It can be written as a sum of positive squares in only one way, i.e., 851122276 + 480311056 = 29174^2 + 21916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331433331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166429163 + ... + 166429170.

It is an arithmetic number, because the mean of its divisors is an integer number (388334723).

Almost surely, 2^1331433332 is an apocalyptic number.

It is an amenable number.

1331433332 is a deficient number, since it is larger than the sum of its proper divisors (998575006).

1331433332 is a wasteful number, since it uses less digits than its factorization.

1331433332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332858337 (or 332858335 counting only the distinct ones).

The product of its digits is 5832, while the sum is 26.

The square root of 1331433332 is about 36488.8110521568. The cubic root of 1331433332 is about 1100.1193622540.

Adding to 1331433332 its reverse (2333341331), we get a palindrome (3664774663).

The spelling of 1331433332 in words is "one billion, three hundred thirty-one million, four hundred thirty-three thousand, three hundred thirty-two".