229916311 has 2 divisors, whose sum is σ = 229916312. Its totient is φ = 229916310.

The previous prime is 229916237. The next prime is 229916353. The reversal of 229916311 is 113619922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229916311 - 2¹⁵ = 229883543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229916111) 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, 114958155 + 114958156.

It is an arithmetic number, because the mean of its divisors is an integer number (114958156).

Almost surely, 2^229916311 is an apocalyptic number.

229916311 is a deficient number, since it is larger than the sum of its proper divisors (1).

229916311 is an equidigital number, since it uses as much as digits as its factorization.

229916311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 34.

The square root of 229916311 is about 15162.9914924463. The cubic root of 229916311 is about 612.6182460030.

The spelling of 229916311 in words is "two hundred twenty-nine million, nine hundred sixteen thousand, three hundred eleven".