1331443114 has 4 divisors (see below), whose sum is σ = 1997164674. Its totient is φ = 665721556.

The previous prime is 1331443097. The next prime is 1331443129. The reversal of 1331443114 is 4113441331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 928116225 + 403326889 = 30465^2 + 20083^2 .

It is an unprimeable number.

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, 332860777 + ... + 332860780.

Almost surely, 2^1331443114 is an apocalyptic number.

1331443114 is a deficient number, since it is larger than the sum of its proper divisors (665721560).

1331443114 is an equidigital number, since it uses as much as digits as its factorization.

1331443114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665721559.

The product of its digits is 1728, while the sum is 25.

The square root of 1331443114 is about 36488.9450930004. The cubic root of 1331443114 is about 1100.1220564285.

Adding to 1331443114 its reverse (4113441331), we get a palindrome (5444884445).

The spelling of 1331443114 in words is "one billion, three hundred thirty-one million, four hundred forty-three thousand, one hundred fourteen".