133443224041321 has 4 divisors (see below), whose sum is σ = 135322706070144. Its totient is φ = 131563742012500.

The previous prime is 133443224041301. The next prime is 133443224041327. The reversal of 133443224041321 is 123140422344331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133443224041321 - 2²¹ = 133443221944169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133443224041327) 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, 939741014305 + ... + 939741014446.

It is an arithmetic number, because the mean of its divisors is an integer number (33830676517536).

Almost surely, 2^{133443224041321} is an apocalyptic number.

It is an amenable number.

133443224041321 is a deficient number, since it is larger than the sum of its proper divisors (1879482028823).

133443224041321 is an equidigital number, since it uses as much as digits as its factorization.

133443224041321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879482028822.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 133443224041321 its reverse (123140422344331), we get a palindrome (256583646385652).

The spelling of 133443224041321 in words is "one hundred thirty-three trillion, four hundred forty-three billion, two hundred twenty-four million, forty-one thousand, three hundred twenty-one".