14321021431 has 2 divisors, whose sum is σ = 14321021432. Its totient is φ = 14321021430.

The previous prime is 14321021419. The next prime is 14321021453. The reversal of 14321021431 is 13412012341.

It is an a-pointer prime, because the next prime (14321021453) can be obtained adding 14321021431 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14321021431 - 2⁷ = 14321021303 is a prime.

It is a super-2 number, since 2×14321021431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14321027431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7160510715 + 7160510716.

It is an arithmetic number, because the mean of its divisors is an integer number (7160510716).

Almost surely, 2^14321021431 is an apocalyptic number.

14321021431 is a deficient number, since it is larger than the sum of its proper divisors (1).

14321021431 is an equidigital number, since it uses as much as digits as its factorization.

14321021431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 14321021431 its reverse (13412012341), we get a palindrome (27733033772).

The spelling of 14321021431 in words is "fourteen billion, three hundred twenty-one million, twenty-one thousand, four hundred thirty-one".