133431441211 has 16 divisors (see below), whose sum is σ = 134917706880. Its totient is φ = 131954739840.

The previous prime is 133431441197. The next prime is 133431441217. The reversal of 133431441211 is 112144134331.

It is a cyclic number.

It is not a de Polignac number, because 133431441211 - 2⁹ = 133431440699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133431441211.

It is not an unprimeable number, because it can be changed into a prime (133431441217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60076081 + ... + 60078301.

It is an arithmetic number, because the mean of its divisors is an integer number (8432356680).

Almost surely, 2^133431441211 is an apocalyptic number.

133431441211 is a deficient number, since it is larger than the sum of its proper divisors (1486265669).

133431441211 is a wasteful number, since it uses less digits than its factorization.

133431441211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086.

The product of its digits is 3456, while the sum is 28.

Adding to 133431441211 its reverse (112144134331), we get a palindrome (245575575542).

The spelling of 133431441211 in words is "one hundred thirty-three billion, four hundred thirty-one million, four hundred forty-one thousand, two hundred eleven".