4320431431441 has 2 divisors, whose sum is σ = 4320431431442. Its totient is φ = 4320431431440.

The previous prime is 4320431431369. The next prime is 4320431431447. The reversal of 4320431431441 is 1441341340234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2984615580816 + 1335815850625 = 1727604^2 + 1155775^2 .

It is a cyclic number.

It is not a de Polignac number, because 4320431431441 - 2⁴¹ = 2121408175889 is a prime.

It is a super-2 number, since 2×4320431431441² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4320431431397 and 4320431431406.

It is not a weakly prime, because it can be changed into another prime (4320431431447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160215715720 + 2160215715721.

It is an arithmetic number, because the mean of its divisors is an integer number (2160215715721).

Almost surely, 2^{4320431431441} is an apocalyptic number.

It is an amenable number.

4320431431441 is a deficient number, since it is larger than the sum of its proper divisors (1).

4320431431441 is an equidigital number, since it uses as much as digits as its factorization.

4320431431441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 4320431431441 its reverse (1441341340234), we get a palindrome (5761772771675).

The spelling of 4320431431441 in words is "four trillion, three hundred twenty billion, four hundred thirty-one million, four hundred thirty-one thousand, four hundred forty-one".