1443431341 has 8 divisors (see below), whose sum is σ = 1584314784. Its totient is φ = 1304158320.

The previous prime is 1443431333. The next prime is 1443431351. The reversal of 1443431341 is 1431343441.

It is a happy number.

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 1443431341 - 2³ = 1443431333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443431321) 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, 400726 + ... + 404311.

It is an arithmetic number, because the mean of its divisors is an integer number (198039348).

Almost surely, 2^1443431341 is an apocalyptic number.

1443431341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1443431341 is a deficient number, since it is larger than the sum of its proper divisors (140883443).

1443431341 is a wasteful number, since it uses less digits than its factorization.

1443431341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805211.

The product of its digits is 6912, while the sum is 28.

The square root of 1443431341 is about 37992.5169079386. The cubic root of 1443431341 is about 1130.1394719121.

Adding to 1443431341 its reverse (1431343441), we get a palindrome (2874774782).

The spelling of 1443431341 in words is "one billion, four hundred forty-three million, four hundred thirty-one thousand, three hundred forty-one".