14420431331 has 2 divisors, whose sum is σ = 14420431332. Its totient is φ = 14420431330.

The previous prime is 14420431327. The next prime is 14420431423. The reversal of 14420431331 is 13313402441.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (13313402441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14420431331 - 2² = 14420431327 is a prime.

It is a super-2 number, since 2×14420431331² (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 14420431331.

It is not a weakly prime, because it can be changed into another prime (14420431031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7210215665 + 7210215666.

It is an arithmetic number, because the mean of its divisors is an integer number (7210215666).

Almost surely, 2^14420431331 is an apocalyptic number.

14420431331 is a deficient number, since it is larger than the sum of its proper divisors (1).

14420431331 is an equidigital number, since it uses as much as digits as its factorization.

14420431331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 14420431331 its reverse (13313402441), we get a palindrome (27733833772).

The spelling of 14420431331 in words is "fourteen billion, four hundred twenty million, four hundred thirty-one thousand, three hundred thirty-one".