83431163 has 2 divisors, whose sum is σ = 83431164. Its totient is φ = 83431162.

The previous prime is 83431123. The next prime is 83431171. The reversal of 83431163 is 36113438.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83431163 - 2⁶ = 83431099 is a prime.

It is not a weakly prime, because it can be changed into another prime (83431123) 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, 41715581 + 41715582.

It is an arithmetic number, because the mean of its divisors is an integer number (41715582).

Almost surely, 2^83431163 is an apocalyptic number.

83431163 is a deficient number, since it is larger than the sum of its proper divisors (1).

83431163 is an equidigital number, since it uses as much as digits as its factorization.

83431163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 83431163 is about 9134.0660715806. The cubic root of 83431163 is about 436.9610896973.

The spelling of 83431163 in words is "eighty-three million, four hundred thirty-one thousand, one hundred sixty-three".