133321131311 has 8 divisors (see below), whose sum is σ = 133635233424. Its totient is φ = 133007137920.

The previous prime is 133321131299. The next prime is 133321131343. The reversal of 133321131311 is 113131123331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133321131311 - 2³⁰ = 132247389487 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 (133321137311) 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 7 ways as a sum of consecutive naturals, for example, 2761895 + ... + 2809751.

It is an arithmetic number, because the mean of its divisors is an integer number (16704404178).

Almost surely, 2^133321131311 is an apocalyptic number.

133321131311 is a deficient number, since it is larger than the sum of its proper divisors (314102113).

133321131311 is an equidigital number, since it uses as much as digits as its factorization.

133321131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54361.

The product of its digits is 486, while the sum is 23.

Adding to 133321131311 its reverse (113131123331), we get a palindrome (246452254642).

The spelling of 133321131311 in words is "one hundred thirty-three billion, three hundred twenty-one million, one hundred thirty-one thousand, three hundred eleven".