1431242140411 has 4 divisors (see below), whose sum is σ = 1458246709152. Its totient is φ = 1404237571672.

The previous prime is 1431242140403. The next prime is 1431242140459. The reversal of 1431242140411 is 1140412421341.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1431242140411 - 2³ = 1431242140403 is a prime.

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 1431242140411.

It is not an unprimeable number, because it can be changed into a prime (1431242144411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13502284291 + ... + 13502284396.

It is an arithmetic number, because the mean of its divisors is an integer number (364561677288).

Almost surely, 2^{1431242140411} is an apocalyptic number.

1431242140411 is a deficient number, since it is larger than the sum of its proper divisors (27004568741).

1431242140411 is an equidigital number, since it uses as much as digits as its factorization.

1431242140411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27004568740.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 1431242140411 its reverse (1140412421341), we get a palindrome (2571654561752).

The spelling of 1431242140411 in words is "one trillion, four hundred thirty-one billion, two hundred forty-two million, one hundred forty thousand, four hundred eleven".