133634220444031 has 4 divisors (see below), whose sum is σ = 133634261384272. Its totient is φ = 133634179503792.

The previous prime is 133634220444017. The next prime is 133634220444037. The reversal of 133634220444031 is 130444022436331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133634220444031 - 2¹¹ = 133634220441983 is a prime.

It is a super-2 number, since 2×133634220444031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133634220444037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15105246 + ... + 22258411.

It is an arithmetic number, because the mean of its divisors is an integer number (33408565346068).

Almost surely, 2^{133634220444031} is an apocalyptic number.

133634220444031 is a deficient number, since it is larger than the sum of its proper divisors (40940241).

133634220444031 is an equidigital number, since it uses as much as digits as its factorization.

133634220444031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40940240.

The product of its (nonzero) digits is 497664, while the sum is 40.

The spelling of 133634220444031 in words is "one hundred thirty-three trillion, six hundred thirty-four billion, two hundred twenty million, four hundred forty-four thousand, thirty-one".