1443234131 has 4 divisors (see below), whose sum is σ = 1444611000. Its totient is φ = 1441857264.

The previous prime is 1443234119. The next prime is 1443234137. The reversal of 1443234131 is 1314323441.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1443234131 is a prime.

It is a super-2 number, since 2×1443234131² = 4165849513766650322, 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 1443234131.

It is not an unprimeable number, because it can be changed into a prime (1443234137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686861 + ... + 688958.

It is an arithmetic number, because the mean of its divisors is an integer number (361152750).

Almost surely, 2^1443234131 is an apocalyptic number.

1443234131 is a deficient number, since it is larger than the sum of its proper divisors (1376869).

1443234131 is a wasteful number, since it uses less digits than its factorization.

1443234131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376868.

The product of its digits is 3456, while the sum is 26.

The square root of 1443234131 is about 37989.9214397714. The cubic root of 1443234131 is about 1130.0880008214.

Adding to 1443234131 its reverse (1314323441), we get a palindrome (2757557572).

The spelling of 1443234131 in words is "one billion, four hundred forty-three million, two hundred thirty-four thousand, one hundred thirty-one".