33405166232231 has 2 divisors, whose sum is σ = 33405166232232. Its totient is φ = 33405166232230.

The previous prime is 33405166232227. The next prime is 33405166232281. The reversal of 33405166232231 is 13223266150433.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33405166232231 - 2² = 33405166232227 is a prime.

It is a super-2 number, since 2×33405166232231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33405166232281) 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, 16702583116115 + 16702583116116.

It is an arithmetic number, because the mean of its divisors is an integer number (16702583116116).

Almost surely, 2^{33405166232231} is an apocalyptic number.

33405166232231 is a deficient number, since it is larger than the sum of its proper divisors (1).

33405166232231 is an equidigital number, since it uses as much as digits as its factorization.

33405166232231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 41.

The spelling of 33405166232231 in words is "thirty-three trillion, four hundred five billion, one hundred sixty-six million, two hundred thirty-two thousand, two hundred thirty-one".