133220301232313 has 4 divisors (see below), whose sum is σ = 134717158549620. Its totient is φ = 131723443915008.

The previous prime is 133220301232259. The next prime is 133220301232321. The reversal of 133220301232313 is 313232103022331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 87796300321024 + 45424000911289 = 9369968^2 + 6739733^2 .

It is a cyclic number.

It is not a de Polignac number, because 133220301232313 - 2³⁸ = 132945423325369 is a prime.

It is a super-3 number, since 3×133220301232313³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133220301232393) 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, 748428658520 + ... + 748428658697.

It is an arithmetic number, because the mean of its divisors is an integer number (33679289637405).

Almost surely, 2^{133220301232313} is an apocalyptic number.

It is an amenable number.

133220301232313 is a deficient number, since it is larger than the sum of its proper divisors (1496857317307).

133220301232313 is an equidigital number, since it uses as much as digits as its factorization.

133220301232313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496857317306.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 133220301232313 its reverse (313232103022331), we get a palindrome (446452404254644).

The spelling of 133220301232313 in words is "one hundred thirty-three trillion, two hundred twenty billion, three hundred one million, two hundred thirty-two thousand, three hundred thirteen".