229968667631 has 2 divisors, whose sum is σ = 229968667632. Its totient is φ = 229968667630.

The previous prime is 229968667609. The next prime is 229968667681. The reversal of 229968667631 is 136766869922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 229968667631 - 2⁶ = 229968667567 is a prime.

It is a super-2 number, since 2×229968667631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229968667681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114984333815 + 114984333816.

It is an arithmetic number, because the mean of its divisors is an integer number (114984333816).

Almost surely, 2^229968667631 is an apocalyptic number.

229968667631 is a deficient number, since it is larger than the sum of its proper divisors (1).

229968667631 is an equidigital number, since it uses as much as digits as its factorization.

229968667631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70543872, while the sum is 65.

The spelling of 229968667631 in words is "two hundred twenty-nine billion, nine hundred sixty-eight million, six hundred sixty-seven thousand, six hundred thirty-one".