1443434131 has 8 divisors (see below), whose sum is σ = 1466558720. Its totient is φ = 1420356168.

The previous prime is 1443434119. The next prime is 1443434137. The reversal of 1443434131 is 1314343441.

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 1443434131 - 2⁹ = 1443433619 is a prime.

It is a super-2 number, since 2×1443434131² = 4167004181071450322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1443434131.

It is not an unprimeable number, because it can be changed into a prime (1443434137) 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, 53650 + ... + 75928.

It is an arithmetic number, because the mean of its divisors is an integer number (183319840).

Almost surely, 2^1443434131 is an apocalyptic number.

1443434131 is a deficient number, since it is larger than the sum of its proper divisors (23124589).

1443434131 is an equidigital number, since it uses as much as digits as its factorization.

1443434131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23313.

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

The square root of 1443434131 is about 37992.5536256778. The cubic root of 1443434131 is about 1130.1402000583.

Adding to 1443434131 its reverse (1314343441), we get a palindrome (2757777572).

The spelling of 1443434131 in words is "one billion, four hundred forty-three million, four hundred thirty-four thousand, one hundred thirty-one".