133203422441 has 4 divisors (see below), whose sum is σ = 135028126932. Its totient is φ = 131378717952.

The previous prime is 133203422393. The next prime is 133203422447. The reversal of 133203422441 is 144224302331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24158174041 + 109045248400 = 155429^2 + 330220^2 .

It is a cyclic number.

It is not a de Polignac number, because 133203422441 - 2¹⁴ = 133203406057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133203422447) 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, 912352136 + ... + 912352281.

It is an arithmetic number, because the mean of its divisors is an integer number (33757031733).

Almost surely, 2^133203422441 is an apocalyptic number.

It is an amenable number.

133203422441 is a deficient number, since it is larger than the sum of its proper divisors (1824704491).

133203422441 is an equidigital number, since it uses as much as digits as its factorization.

133203422441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824704490.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 133203422441 its reverse (144224302331), we get a palindrome (277427724772).

The spelling of 133203422441 in words is "one hundred thirty-three billion, two hundred three million, four hundred twenty-two thousand, four hundred forty-one".