431163312032329 has 2 divisors, whose sum is σ = 431163312032330. Its totient is φ = 431163312032328.

The previous prime is 431163312032293. The next prime is 431163312032363. The reversal of 431163312032329 is 923230213361134.

It is a happy number.

Together with previous prime (431163312032293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311525218105929 + 119638093926400 = 17650077^2 + 10937920^2 .

It is a cyclic number.

It is not a de Polignac number, because 431163312032329 - 2¹⁵ = 431163311999561 is a prime.

It is not a weakly prime, because it can be changed into another prime (431163312032429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215581656016164 + 215581656016165.

It is an arithmetic number, because the mean of its divisors is an integer number (215581656016165).

Almost surely, 2^{431163312032329} is an apocalyptic number.

It is an amenable number.

431163312032329 is a deficient number, since it is larger than the sum of its proper divisors (1).

431163312032329 is an equidigital number, since it uses as much as digits as its factorization.

431163312032329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 43.

The spelling of 431163312032329 in words is "four hundred thirty-one trillion, one hundred sixty-three billion, three hundred twelve million, thirty-two thousand, three hundred twenty-nine".