1431330112217 has 2 divisors, whose sum is σ = 1431330112218. Its totient is φ = 1431330112216.

The previous prime is 1431330112189. The next prime is 1431330112229. The reversal of 1431330112217 is 7122110331341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1131125839936 + 300204272281 = 1063544^2 + 547909^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431330112217 - 2⁸ = 1431330111961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1431330112217.

It is not a weakly prime, because it can be changed into another prime (1431320112217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715665056108 + 715665056109.

It is an arithmetic number, because the mean of its divisors is an integer number (715665056109).

Almost surely, 2^{1431330112217} is an apocalyptic number.

It is an amenable number.

1431330112217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431330112217 is an equidigital number, since it uses as much as digits as its factorization.

1431330112217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

Adding to 1431330112217 its reverse (7122110331341), we get a palindrome (8553440443558).

The spelling of 1431330112217 in words is "one trillion, four hundred thirty-one billion, three hundred thirty million, one hundred twelve thousand, two hundred seventeen".