431110867349 has 2 divisors, whose sum is σ = 431110867350. Its totient is φ = 431110867348.

The previous prime is 431110867339. The next prime is 431110867357. The reversal of 431110867349 is 943768011134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368275418449 + 62835448900 = 606857^2 + 250670^2 .

It is a cyclic number.

It is not a de Polignac number, because 431110867349 - 2⁸ = 431110867093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431110867339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215555433674 + 215555433675.

It is an arithmetic number, because the mean of its divisors is an integer number (215555433675).

Almost surely, 2^431110867349 is an apocalyptic number.

It is an amenable number.

431110867349 is a deficient number, since it is larger than the sum of its proper divisors (1).

431110867349 is an equidigital number, since it uses as much as digits as its factorization.

431110867349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 431110867349 in words is "four hundred thirty-one billion, one hundred ten million, eight hundred sixty-seven thousand, three hundred forty-nine".