1431243443243 has 8 divisors (see below), whose sum is σ = 1516416396768. Its totient is φ = 1346179618944.

The previous prime is 1431243443213. The next prime is 1431243443299. The reversal of 1431243443243 is 3423443421341.

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 1431243443243 - 2⁸ = 1431243442987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1431243443197 and 1431243443206.

It is not an unprimeable number, because it can be changed into a prime (1431243443213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27255296 + ... + 27307757.

It is an arithmetic number, because the mean of its divisors is an integer number (189552049596).

Almost surely, 2^{1431243443243} is an apocalyptic number.

1431243443243 is a deficient number, since it is larger than the sum of its proper divisors (85172953525).

1431243443243 is a wasteful number, since it uses less digits than its factorization.

1431243443243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54564613.

The product of its digits is 331776, while the sum is 38.

Adding to 1431243443243 its reverse (3423443421341), we get a palindrome (4854686864584).

The spelling of 1431243443243 in words is "one trillion, four hundred thirty-one billion, two hundred forty-three million, four hundred forty-three thousand, two hundred forty-three".