1431224243243 has 16 divisors (see below), whose sum is σ = 1456509330432. Its totient is φ = 1406084484000.

The previous prime is 1431224243237. The next prime is 1431224243257. The reversal of 1431224243243 is 3423424221341.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1431224243243 - 2⁴ = 1431224243227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431224243203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86350505 + ... + 86367077.

It is an arithmetic number, because the mean of its divisors is an integer number (91031833152).

Almost surely, 2^{1431224243243} is an apocalyptic number.

1431224243243 is a deficient number, since it is larger than the sum of its proper divisors (25285087189).

1431224243243 is a wasteful number, since it uses less digits than its factorization.

1431224243243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20866.

The product of its digits is 110592, while the sum is 35.

Adding to 1431224243243 its reverse (3423424221341), we get a palindrome (4854648464584).

The spelling of 1431224243243 in words is "one trillion, four hundred thirty-one billion, two hundred twenty-four million, two hundred forty-three thousand, two hundred forty-three".