14240431291 has 2 divisors, whose sum is σ = 14240431292. Its totient is φ = 14240431290.

The previous prime is 14240431213. The next prime is 14240431297. The reversal of 14240431291 is 19213404241.

It is a strong prime.

It is an emirp because it is prime and its reverse (19213404241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14240431291 is a prime.

It is not a weakly prime, because it can be changed into another prime (14240431297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7120215645 + 7120215646.

It is an arithmetic number, because the mean of its divisors is an integer number (7120215646).

Almost surely, 2^14240431291 is an apocalyptic number.

14240431291 is a deficient number, since it is larger than the sum of its proper divisors (1).

14240431291 is an equidigital number, since it uses as much as digits as its factorization.

14240431291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 14240431291 in words is "fourteen billion, two hundred forty million, four hundred thirty-one thousand, two hundred ninety-one".