431222220241 has 2 divisors, whose sum is σ = 431222220242. Its totient is φ = 431222220240.

The previous prime is 431222220229. The next prime is 431222220263. The reversal of 431222220241 is 142022222134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 374701912641 + 56520307600 = 612129^2 + 237740^2 .

It is a cyclic number.

It is not a de Polignac number, because 431222220241 - 2¹⁹ = 431221695953 is a prime.

It is not a weakly prime, because it can be changed into another prime (431222220281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215611110120 + 215611110121.

It is an arithmetic number, because the mean of its divisors is an integer number (215611110121).

Almost surely, 2^431222220241 is an apocalyptic number.

It is an amenable number.

431222220241 is a deficient number, since it is larger than the sum of its proper divisors (1).

431222220241 is an equidigital number, since it uses as much as digits as its factorization.

431222220241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 431222220241 its reverse (142022222134), we get a palindrome (573244442375).

The spelling of 431222220241 in words is "four hundred thirty-one billion, two hundred twenty-two million, two hundred twenty thousand, two hundred forty-one".