133465221244231 has 16 divisors (see below), whose sum is σ = 136873351296000. Its totient is φ = 130070945204928.

The previous prime is 133465221244211. The next prime is 133465221244237. The reversal of 133465221244231 is 132442122564331.

It is a cyclic number.

It is not a de Polignac number, because 133465221244231 - 2¹¹ = 133465221242183 is a prime.

It is a super-2 number, since 2×133465221244231² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133465221244237) 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 in 15 ways as a sum of consecutive naturals, for example, 550480170 + ... + 550722568.

It is an arithmetic number, because the mean of its divisors is an integer number (8554584456000).

Almost surely, 2^{133465221244231} is an apocalyptic number.

133465221244231 is a deficient number, since it is larger than the sum of its proper divisors (3408130051769).

133465221244231 is a wasteful number, since it uses less digits than its factorization.

133465221244231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270918.

The product of its digits is 829440, while the sum is 43.

The spelling of 133465221244231 in words is "one hundred thirty-three trillion, four hundred sixty-five billion, two hundred twenty-one million, two hundred forty-four thousand, two hundred thirty-one".