133133331313 has 4 divisors (see below), whose sum is σ = 133292013120. Its totient is φ = 132974649508.

The previous prime is 133133331301. The next prime is 133133331347. The reversal of 133133331313 is 313133331331.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313133331331 = 19 ⋅16480701649.

It is a cyclic number.

It is not a de Polignac number, because 133133331313 - 2²⁵ = 133099776881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133133311313) 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, 79339645 + ... + 79341322.

It is an arithmetic number, because the mean of its divisors is an integer number (33323003280).

Almost surely, 2^133133331313 is an apocalyptic number.

It is an amenable number.

133133331313 is a deficient number, since it is larger than the sum of its proper divisors (158681807).

133133331313 is an equidigital number, since it uses as much as digits as its factorization.

133133331313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158681806.

The product of its digits is 6561, while the sum is 28.

Adding to 133133331313 its reverse (313133331331), we get a palindrome (446266662644).

The spelling of 133133331313 in words is "one hundred thirty-three billion, one hundred thirty-three million, three hundred thirty-one thousand, three hundred thirteen".