31434163 has 2 divisors, whose sum is σ = 31434164. Its totient is φ = 31434162.

The previous prime is 31434149. The next prime is 31434181. The reversal of 31434163 is 36143413.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31434163 - 2¹⁷ = 31303091 is a prime.

It is not a weakly prime, because it can be changed into another prime (31434563) 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, 15717081 + 15717082.

It is an arithmetic number, because the mean of its divisors is an integer number (15717082).

Almost surely, 2^31434163 is an apocalyptic number.

31434163 is a deficient number, since it is larger than the sum of its proper divisors (1).

31434163 is an equidigital number, since it uses as much as digits as its factorization.

31434163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

The square root of 31434163 is about 5606.6177861524. The cubic root of 31434163 is about 315.5977998715.

Adding to 31434163 its reverse (36143413), we get a palindrome (67577576).

The spelling of 31434163 in words is "thirty-one million, four hundred thirty-four thousand, one hundred sixty-three".