133111213331311 has 8 divisors (see below), whose sum is σ = 135099353576880. Its totient is φ = 131123114430528.

The previous prime is 133111213331287. The next prime is 133111213331323. The reversal of 133111213331311 is 113133312111331.

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 133111213331311 - 2¹³ = 133111213323119 is a prime.

It is a super-2 number, since 2×133111213331311² (a number of 29 digits) contains 22 as substring.

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 133111213331311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133111213331381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3818566 + ... + 16757203.

It is an arithmetic number, because the mean of its divisors is an integer number (16887419197110).

Almost surely, 2^{133111213331311} is an apocalyptic number.

133111213331311 is a deficient number, since it is larger than the sum of its proper divisors (1988140245569).

133111213331311 is an equidigital number, since it uses as much as digits as its factorization.

133111213331311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20672393.

The product of its digits is 1458, while the sum is 28.

Adding to 133111213331311 its reverse (113133312111331), we get a palindrome (246244525442642).

The spelling of 133111213331311 in words is "one hundred thirty-three trillion, one hundred eleven billion, two hundred thirteen million, three hundred thirty-one thousand, three hundred eleven".