1331353441 has 6 divisors (see below), whose sum is σ = 1463388626. Its totient is φ = 1210321200.

The previous prime is 1331353433. The next prime is 1331353451. The reversal of 1331353441 is 1443531331.

It can be written as a sum of positive squares in only one way, i.e., 671069025 + 660284416 = 25905^2 + 25696^2 .

It is not a de Polignac number, because 1331353441 - 2³ = 1331353433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331353451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5501340 + ... + 5501581.

Almost surely, 2^1331353441 is an apocalyptic number.

1331353441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1331353441 is a deficient number, since it is larger than the sum of its proper divisors (132035185).

1331353441 is a wasteful number, since it uses less digits than its factorization.

1331353441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11002943 (or 11002932 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 1331353441 is about 36487.7163028875. The cubic root of 1331353441 is about 1100.0973580495.

Adding to 1331353441 its reverse (1443531331), we get a palindrome (2774884772).

The spelling of 1331353441 in words is "one billion, three hundred thirty-one million, three hundred fifty-three thousand, four hundred forty-one".