133213223122313 has 4 divisors (see below), whose sum is σ = 133259365564800. Its totient is φ = 133167080679828.

The previous prime is 133213223122241. The next prime is 133213223122321. The reversal of 133213223122313 is 313221322312331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133213223122313 - 2³⁸ = 132938345215369 is a prime.

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 133213223122313.

It is not an unprimeable number, because it can be changed into a prime (133213223122813) 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, 23071216913 + ... + 23071222686.

It is an arithmetic number, because the mean of its divisors is an integer number (33314841391200).

Almost surely, 2^{133213223122313} is an apocalyptic number.

It is an amenable number.

133213223122313 is a deficient number, since it is larger than the sum of its proper divisors (46142442487).

133213223122313 is an equidigital number, since it uses as much as digits as its factorization.

133213223122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46142442486.

The product of its digits is 23328, while the sum is 32.

Adding to 133213223122313 its reverse (313221322312331), we get a palindrome (446434545434644).

The spelling of 133213223122313 in words is "one hundred thirty-three trillion, two hundred thirteen billion, two hundred twenty-three million, one hundred twenty-two thousand, three hundred thirteen".