133113201311 has 4 divisors (see below), whose sum is σ = 133115899392. Its totient is φ = 133110503232.

The previous prime is 133113201307. The next prime is 133113201371. The reversal of 133113201311 is 113102311331.

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 133113201311 - 2² = 133113201307 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 (133113201371) 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, 1273631 + ... + 1374176.

It is an arithmetic number, because the mean of its divisors is an integer number (33278974848).

Almost surely, 2^133113201311 is an apocalyptic number.

133113201311 is a deficient number, since it is larger than the sum of its proper divisors (2698081).

133113201311 is an equidigital number, since it uses as much as digits as its factorization.

133113201311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698080.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 133113201311 its reverse (113102311331), we get a palindrome (246215512642).

The spelling of 133113201311 in words is "one hundred thirty-three billion, one hundred thirteen million, two hundred one thousand, three hundred eleven".