133023344466531 has 4 divisors (see below), whose sum is σ = 177364459288712. Its totient is φ = 88682229644352.

The previous prime is 133023344466503. The next prime is 133023344466569. The reversal of 133023344466531 is 135664443320331.

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

It is not a de Polignac number, because 133023344466531 - 2¹⁷ = 133023344335459 is a prime.

It is a super-2 number, since 2×133023344466531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133023344466731) 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, 22170557411086 + ... + 22170557411091.

It is an arithmetic number, because the mean of its divisors is an integer number (44341114822178).

Almost surely, 2^{133023344466531} is an apocalyptic number.

133023344466531 is a deficient number, since it is larger than the sum of its proper divisors (44341114822181).

133023344466531 is an equidigital number, since it uses as much as digits as its factorization.

133023344466531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44341114822180.

The product of its (nonzero) digits is 5598720, while the sum is 48.

Adding to 133023344466531 its reverse (135664443320331), we get a palindrome (268687787786862).

The spelling of 133023344466531 in words is "one hundred thirty-three trillion, twenty-three billion, three hundred forty-four million, four hundred sixty-six thousand, five hundred thirty-one".