133551314311 has 4 divisors (see below), whose sum is σ = 133553744272. Its totient is φ = 133548884352.

The previous prime is 133551314293. The next prime is 133551314353. The reversal of 133551314311 is 113413155331.

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 133551314311 - 2³⁵ = 99191575943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133551314381) 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 3 ways as a sum of consecutive naturals, for example, 1130586 + ... + 1243111.

It is an arithmetic number, because the mean of its divisors is an integer number (33388436068).

Almost surely, 2^133551314311 is an apocalyptic number.

133551314311 is a deficient number, since it is larger than the sum of its proper divisors (2429961).

133551314311 is an equidigital number, since it uses as much as digits as its factorization.

133551314311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429960.

The product of its digits is 8100, while the sum is 31.

Adding to 133551314311 its reverse (113413155331), we get a palindrome (246964469642).

The spelling of 133551314311 in words is "one hundred thirty-three billion, five hundred fifty-one million, three hundred fourteen thousand, three hundred eleven".