14240213731 has 2 divisors, whose sum is σ = 14240213732. Its totient is φ = 14240213730.

The previous prime is 14240213711. The next prime is 14240213773. The reversal of 14240213731 is 13731204241.

It is a weak prime.

It is an emirp because it is prime and its reverse (13731204241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14240213731 - 2¹¹ = 14240211683 is a prime.

It is a super-2 number, since 2×14240213731² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14240213731.

It is not a weakly prime, because it can be changed into another prime (14240213711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7120106865 + 7120106866.

It is an arithmetic number, because the mean of its divisors is an integer number (7120106866).

Almost surely, 2^14240213731 is an apocalyptic number.

14240213731 is a deficient number, since it is larger than the sum of its proper divisors (1).

14240213731 is an equidigital number, since it uses as much as digits as its factorization.

14240213731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 14240213731 its reverse (13731204241), we get a palindrome (27971417972).

The spelling of 14240213731 in words is "fourteen billion, two hundred forty million, two hundred thirteen thousand, seven hundred thirty-one".