133331011011311 has 4 divisors (see below), whose sum is σ = 133331093251224. Its totient is φ = 133330928771400.

The previous prime is 133331011011193. The next prime is 133331011011361. The reversal of 133331011011311 is 113110110133331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133331011011311 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 (133331011011361) 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, 38638160 + ... + 41947221.

It is an arithmetic number, because the mean of its divisors is an integer number (33332773312806).

Almost surely, 2^{133331011011311} is an apocalyptic number.

133331011011311 is a deficient number, since it is larger than the sum of its proper divisors (82239913).

133331011011311 is an equidigital number, since it uses as much as digits as its factorization.

133331011011311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82239912.

The product of its (nonzero) digits is 243, while the sum is 23.

Adding to 133331011011311 its reverse (113110110133331), we get a palindrome (246441121144642).

The spelling of 133331011011311 in words is "one hundred thirty-three trillion, three hundred thirty-one billion, eleven million, eleven thousand, three hundred eleven".