1331303441 has 8 divisors (see below), whose sum is σ = 1435183680. Its totient is φ = 1227633552.

The previous prime is 1331303431. The next prime is 1331303581. The reversal of 1331303441 is 1443031331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1331303441 - 2²² = 1327109137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331303431) 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, 39311 + ... + 64868.

It is an arithmetic number, because the mean of its divisors is an integer number (179397960).

Almost surely, 2^1331303441 is an apocalyptic number.

It is an amenable number.

1331303441 is a deficient number, since it is larger than the sum of its proper divisors (103880239).

1331303441 is a wasteful number, since it uses less digits than its factorization.

1331303441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105175.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1331303441 is about 36487.0311343633. The cubic root of 1331303441 is about 1100.0835862103.

Adding to 1331303441 its reverse (1443031331), we get a palindrome (2774334772).

The spelling of 1331303441 in words is "one billion, three hundred thirty-one million, three hundred three thousand, four hundred forty-one".