133120232311303 has 4 divisors (see below), whose sum is σ = 133134557106168. Its totient is φ = 133105907516440.

The previous prime is 133120232311291. The next prime is 133120232311307. The reversal of 133120232311303 is 303113232021331.

It is a happy number.

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-133120232311303 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 (133120232311307) 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, 7162383493 + ... + 7162402078.

It is an arithmetic number, because the mean of its divisors is an integer number (33283639276542).

Almost surely, 2^{133120232311303} is an apocalyptic number.

133120232311303 is a deficient number, since it is larger than the sum of its proper divisors (14324794865).

133120232311303 is an equidigital number, since it uses as much as digits as its factorization.

133120232311303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14324794864.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 133120232311303 its reverse (303113232021331), we get a palindrome (436233464332634).

The spelling of 133120232311303 in words is "one hundred thirty-three trillion, one hundred twenty billion, two hundred thirty-two million, three hundred eleven thousand, three hundred three".